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Xu, Ronghui (Lily)

TitleProfessor
InstitutionUniversity of California San Diego
DepartmentFamily Medicine and Public Health
Address9500 Gilman Drive #0112
La Jolla CA 92093
Phone858-534-6380
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    Dr. Xu received both her Masters in Applied Mathematics (1995) and her PhD in Mathematics (1996) from UCSD. She worked for one year as a POST-graduate researcher at the UCSD Cancer Center and the Department of Mathematics before taking up an Assistant Professorship in 1997 in the Department of Biostatistics, Harvard School of Public Health and the Department of Biostatistical Science, Dana-Farber Cancer Institute in Boston, MA. She returned to UCSD in 2004 as an Associate Professor with the Department of Family Medicine and Public Health and the Department of Mathematics. She is a recipient of David P. Byar Young Investigator Award, and fellow, American Statistical Association.

    Dr. Xu directs the Biostatistics unit at the UCSD Clinical and Translational Research Institute (CTRI), partially funded by the NIH Clinical and Translational Science Award (CTSA). She is the lead statistician at the Organization of Teratology Information Specialists (OTIS) Collaborative Research Center, which carry out studies such as the Fetal Alcohol Spectrum Disorders Prevalence in the US and Vaccine and Medication in Pregnancy Surveillance System.


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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Singh S, Proudfoot JA, Dulai PS, Jairath V, Fumery M, Xu R, Feagan BG, Sandborn WJ. No Benefit of Concomitant 5-Aminosalicylates in Patients With Ulcerative Colitis Escalated to Biologic Therapy: Pooled Analysis of Individual Participant Data From Clinical Trials. Am J Gastroenterol. 2018 Jun 21. PMID: 29925913.
      View in: PubMed
    2. Singh S, Proudfoot J, Xu R, Sandborn WJ. Obesity and Response to Infliximab in Patients with Inflammatory Bowel Diseases: Pooled Analysis of Individual Participant Data from Clinical Trials. Am J Gastroenterol. 2018 Jun 05. PMID: 29867171.
      View in: PubMed
    3. Hou J, Paravati A, Hou J, Xu R, Murphy J. High-dimensional variable selection and prediction under competing risks with application to SEER-Medicare linked data. Stat Med. 2018 May 29. PMID: 29845637.
      View in: PubMed
    4. Singh S, Proudfoot J, Xu R, Sandborn WJ. Impact of Obesity on Short- and Intermediate-Term Outcomes in Inflammatory Bowel Diseases: Pooled Analysis of Placebo Arms of Infliximab Clinical Trials. Inflamm Bowel Dis. 2018 May 18. PMID: 29788260.
      View in: PubMed
    5. Han J, Nguyen J, Kim Y, Geng B, Romanowski G, Alejandro L, Proudfoot J, Xu R, Leibel S. Effect of inhaled corticosteroid use on weight (BMI) in pediatric patients with moderate-severe asthma. J Asthma. 2018 Apr 19; 1-7. PMID: 29672188.
      View in: PubMed
    6. Ajmera V, Park CC, Caussy C, Singh S, Hernandez C, Bettencourt R, Hooker J, Sy E, Behling C, Xu R, Middleton MS, Valasek MA, Faulkner C, Rizo E, Richards L, Sirlin CB, Loomba R. Magnetic Resonance Imaging Proton Density Fat Fraction Associates With Progression of Fibrosis in Patients With Nonalcoholic Fatty Liver Disease. Gastroenterology. 2018 Apr 13. PMID: 29660324.
      View in: PubMed
    7. Xu R, Hou J, Chambers CD. The impact of confounder selection in propensity scores when applied to prospective cohort studies in pregnancy. Reprod Toxicol. 2018 Apr 07; 78:75-80. PMID: 29635047.
      View in: PubMed
    8. Chan PH, Xu R, Chambers CD. A Study of R2 Measure under the Accelerated Failure Time Models. Commun Stat Simul Comput. 2018; 47(2):380-391. PMID: 29628607.
      View in: PubMed
    9. Hou J, Chambers CD, Xu R. A nonparametric maximum likelihood approach for survival data with observed cured subjects, left truncation and right-censoring. Lifetime Data Anal. 2017 Dec 13. PMID: 29238894.
      View in: PubMed
    10. Palmsten K, Hulugalle A, Bandoli G, Kuo GM, Ansari S, Xu R, Chambers CD. Agreement Between Maternal Report and Medical Records During Pregnancy: Medications for Rheumatoid Arthritis and Asthma. Paediatr Perinat Epidemiol. 2018 Jan; 32(1):68-77. PMID: 28971498.
      View in: PubMed
    11. Chambers CD, Xu R, Mitchell AA. Commentary on: "Association of spontaneous abortion with receipt of inactivated influenza vaccine containing H1N1pdm09 in 2010-11 and 2011-12". Vaccine. 2017 09 25; 35(40):5323-5324. PMID: 28917296.
      View in: PubMed
    12. Mell LK, Sirák I, Wei L, Tarnawski R, Mahantshetty U, Yashar CM, McHale MT, Xu R, Honerkamp-Smith G, Carmona R, Wright M, Williamson CW, Kasaová L, Li N, Kry S, Michalski J, Bosch W, Straube W, Schwarz J, Lowenstein J, Jiang SB, Saenz CC, Plaxe S, Einck J, Khorprasert C, Koonings P, Harrison T, Shi M, Mundt AJ. Bone Marrow-sparing Intensity Modulated Radiation Therapy With Concurrent Cisplatin For Stage IB-IVA Cervical Cancer: An International Multicenter Phase II Clinical Trial (INTERTECC-2). Int J Radiat Oncol Biol Phys. 2017 03 01; 97(3):536-545. PMID: 28126303.
      View in: PubMed
    13. Xu R, Li M, Johnson DL, Luo Y, Chambers CD. Consistency of maternal telephone administration of the asthma control test using postpartum recall compared to repeated measures during pregnancy. J Asthma. 2017 May; 54(4):430-438. PMID: 27589342.
      View in: PubMed
    14. Pandey AK, Penny WF, Bhargava V, Lai NC, Xu R, Hammond HK. Clinical Evaluation of Heart Failure: Agreement among Tests. PLoS One. 2016; 11(8):e0161536. PMID: 27537778; PMCID: PMC4990285.
    15. Chambers CD, Johnson DL, Xu R, Luo YJ, Louik C, Mitchell AA, Schatz M, Jones KL. Safety of the 2010-11, 2011-12, 2012-13, and 2013-14 seasonal influenza vaccines in pregnancy: Birth defects, spontaneous abortion, preterm delivery, and small for gestational age infants, a study from the cohort arm of VAMPSS. Vaccine. 2016 08 17; 34(37):4443-9. PMID: 27449682.
      View in: PubMed
    16. Honerkamp-Smith G, Xu R. Three measures of explained variation for correlated survival data under the proportional hazards mixed-effects model. Stat Med. 2016 10 15; 35(23):4153-65. PMID: 27241815.
      View in: PubMed
    17. Kwong WT, Hunt GC, Fehmi SM, Honerkamp-Smith G, Xu R, Lawson RD, Tang RS, Gonzalez I, Krinsky ML, Giap A, Savides TJ. Low Rates of Malignancy and Mortality in Asymptomatic Patients With Suspected Neoplastic Pancreatic Cysts Beyond 5 Years of Surveillance. Clin Gastroenterol Hepatol. 2016 Jun; 14(6):865-871. PMID: 26656298.
      View in: PubMed
    18. Solso S, Xu R, Proudfoot J, Hagler DJ, Campbell K, Venkatraman V, Carter Barnes C, Ahrens-Barbeau C, Pierce K, Dale A, Eyler L, Courchesne E. Diffusion Tensor Imaging Provides Evidence of Possible Axonal Overconnectivity in Frontal Lobes in Autism Spectrum Disorder Toddlers. Biol Psychiatry. 2016 Apr 15; 79(8):676-84. PMID: 26300272; PMCID: PMC4699869 [Available on 04/15/17].
    19. Kwong WT, Lawson RD, Hunt G, Fehmi SM, Proudfoot JA, Xu R, Giap A, Tang RS, Gonzalez I, Krinsky ML, Savides TJ. Rapid Growth Rates of Suspected Pancreatic Cyst Branch Duct Intraductal Papillary Mucinous Neoplasms Predict Malignancy. Dig Dis Sci. 2015 Sep; 60(9):2800-6. PMID: 25924899.
      View in: PubMed
    20. Pramparo T, Pierce K, Lombardo MV, Carter Barnes C, Marinero S, Ahrens-Barbeau C, Murray SS, Lopez L, Xu R, Courchesne E. Prediction of autism by translation and immune/inflammation coexpressed genes in toddlers from pediatric community practices. JAMA Psychiatry. 2015 Apr; 72(4):386-94. PMID: 25739104.
      View in: PubMed
    21. Overholser R, Xu R. Effective Degrees of Freedom and Its Application to Conditional AIC for Linear Mixed-Effects Models with Correlated Error Structures. J Multivar Anal. 2014 Nov 01; 132:160-170. PMID: 25382878.
      View in: PubMed
    22. Jiang X, Chen R, Cheng S, Jiang X, Shen B, Xu R, Yi S. Computational advances in cancer informatics (a). Cancer Inform. 2014; 13(Suppl 1):45-8. PMID: 25484572; PMCID: PMC4216040.
    23. Xu R, Luo Y, Glynn R, Johnson D, Jones KL, Chambers C. Time-dependent propensity score for assessing the effect of vaccine exposure on pregnancy outcomes through pregnancy exposure cohort studies. Int J Environ Res Public Health. 2014 Mar 12; 11(3):3074-85. PMID: 24625623; PMCID: PMC3968967.
    24. Chambers CD, Johnson D, Xu R, Luo Y, Louik C, Mitchell AA, Schatz M, Jones KL. Risks and safety of pandemic H1N1 influenza vaccine in pregnancy: birth defects, spontaneous abortion, preterm delivery, and small for gestational age infants. Vaccine. 2013 Oct 17; 31(44):5026-32. PMID: 24016809.
      View in: PubMed
    25. Lessig S, Nie D, Xu R, Corey-Bloom J. Changes on brief cognitive instruments over time in Parkinson's disease. Mov Disord. 2012 Aug; 27(9):1125-8. PMID: 22692724.
      View in: PubMed
    26. Xu R, Luo Y, Chambers C. Assessing the effect of vaccine on spontaneous abortion using time-dependent covariates Cox models. Pharmacoepidemiol Drug Saf. 2012 Aug; 21(8):844-50. PMID: 22674821.
      View in: PubMed
    27. Xu R, Chambers C. A sample size calculation for spontaneous abortion in observational studies. Reprod Toxicol. 2011 Dec; 32(4):490-3. PMID: 21907789.
      View in: PubMed
    28. Sharma K, Ix JH, Mathew AV, Cho M, Pflueger A, Dunn SR, Francos B, Sharma S, Falkner B, McGowan TA, Donohue M, Ramachandrarao S, Xu R, Fervenza FC, Kopp JB. Pirfenidone for diabetic nephropathy. J Am Soc Nephrol. 2011 Jun; 22(6):1144-51. PMID: 21511828; PMCID: PMC3103734.
    29. Chambers CD, Johnson DL, Robinson LK, Braddock SR, Xu R, Lopez-Jimenez J, Mirrasoul N, Salas E, Luo YJ, Jin S, Jones KL. Birth outcomes in women who have taken leflunomide during pregnancy. Arthritis Rheum. 2010 May; 62(5):1494-503. PMID: 20131283; PMCID: PMC3633589.
    30. Wetherell JL, Ayers CR, Sorrell JT, Thorp SR, Nuevo R, Belding W, Gray E, Stanley MA, Areán PA, Donohue M, Unützer J, Ramsdell J, Xu R, Patterson TL. Modular psychotherapy for anxiety in older primary care patients. Am J Geriatr Psychiatry. 2009 Jun; 17(6):483-92. PMID: 19461257; PMCID: PMC2686119.
    31. Leung A, Donohue M, Xu R, Lee R, Lefaucheur JP, Khedr EM, Saitoh Y, André-Obadia N, Rollnik J, Wallace M, Chen R. rTMS for suppressing neuropathic pain: a meta-analysis. J Pain. 2009 Dec; 10(12):1205-16. PMID: 19464959.
      View in: PubMed
    32. Dunn W, Xu R, Wingard DL, Rogers C, Angulo P, Younossi ZM, Schwimmer JB. Suspected nonalcoholic fatty liver disease and mortality risk in a population-based cohort study. Am J Gastroenterol. 2008 Sep; 103(9):2263-71. PMID: 18684196; PMCID: PMC2574666.
    33. Dunn W, Xu R, Schwimmer JB. Modest wine drinking and decreased prevalence of suspected nonalcoholic fatty liver disease. Hepatology. 2008 Jun; 47(6):1947-54. PMID: 18454505.
      View in: PubMed
    34. Bashey A, Donohue M, Liu L, Medina B, Corringham S, Ihasz A, Carrier E, Castro JE, Holman PR, Xu R, Law P, Ball ED, Lane TA. Peripheral blood progenitor cell mobilization with intermediate-dose cyclophosphamide, sequential granulocyte-macrophage-colony-stimulating factor and granulocyte-colony-stimulating factor, and scheduled commencement of leukapheresis in 225 patients undergoing autologous transplantation. Transfusion. 2007 Nov; 47(11):2153-60. PMID: 17958545.
      View in: PubMed
    35. Xu R, Gamst A. On proportional hazards assumption under the random effects models. Lifetime Data Anal. 2007 Sep; 13(3):317-32. PMID: 17638076.
      View in: PubMed
    36. Huang JS, Becerra K, Oda T, Walker E, Xu R, Donohue M, Chen I, Curbelo V, Breslow A. Parental ability to discriminate the weight status of children: results of a survey. Pediatrics. 2007 Jul; 120(1):e112-9. PMID: 17606538.
      View in: PubMed
    37. Chen J, Xu R, Hunt GC, Krinsky ML, Savides TJ. Influence of the number of malignant regional lymph nodes detected by endoscopic ultrasonography on survival stratification in esophageal adenocarcinoma. Clin Gastroenterol Hepatol. 2006 May; 4(5):573-9. PMID: 16630763.
      View in: PubMed
    38. Hastings RH, Laux AM, Casillas A, Xu R, Lukas Z, Ernstrom K, Deftos LJ. Sex-specific survival advantage with parathyroid hormone-related protein in non-small cell lung carcinoma patients. Clin Cancer Res. 2006 Jan 15; 12(2):499-506. PMID: 16428492.
      View in: PubMed