Publications

A full list of my publications can be found on Google Scholar. Source code in these projects can be found on GitHub.

*  Equal contribution

† Corresponding author

Peer-reviewed Publications

1. Anderson, L.J., Xia, L., Kerr, H., Cabrera, M., Chu, F.,  Rose, J., Wu, P.C., Dash A., Gharib, S.A. & Garcia, J.M. (2026). Distinct metabolomic alterations are associated with physical function, weight loss, and muscle mass in men with cancer. Journal of Cachexia, Sarcopenia and Muscle, 17(1), e70183. [paper]

2. Pi, H.†, Rayner, S.G., Shojaie, A., Gharib, S.A., Leary, P.J. & Xia, L.† (2025). Integrative multi-omics for prognostic assessment in pulmonary arterial hypertension. Circulation: Heart Failure, 18(10), e013084. [paper]

3. Coston, T.D., Poolchanuan, P., Ross, J.E., Xia, L., Zelnick, L.R., Hantrakun, V., Chamnan, P., Wongsuvan, G., Furfaro, D., O’Donnell, M.R., Shojaie, A., Gharib, S.A., Bhatraju, P.K., Lie, K., Lau, C.-Y., Chau, N.V.V., Cummings, M.J., Limmathurotsakul, D., Wright, S.W. & West, T.E. (2025). Derivation and external validation of community-acquired pneumonia subphenotypes in Southeast Asia: a secondary analysis of prospective cohort studies. eClinicalMedicine, 90, 103572. [paper]

4. Zhu, L., Lan, Q., Tian, Q., Sun, W., Yang, L., Xia, L., Xie, Y., Xiao, X., Duan, T., Tao, C. & Niu, S. (2025). ETT-CKGE: Efficient task-driven tokens for continual knowledge graph embedding. European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML-PKDD) 2025, accepted. [paper]

5. Coston, T.D., Xia, L., Wright, S.W., Hantrakun, V., Chamnan, P., Wongsuvan, G., Phunpang, R., Dulsuk, A., Thiansukhon, E., Shojaie, A., Chantratita, N., Limmathurotsakul, D., Gharib, S.A. & West, T.E. (2025). Pneumonia-specific plasma metabolite profiles among patients hospitalized with infection in Southeast Asia. ERJ Open Research, 11(3), 00582-2024. [paper]

6. Pi, H., Xia, L., Boucherat, O., Suresh, K., Hemnes, A.R, Bonnet, S., Bravo, C.A., Oppegard, L., Rayner, S.G., Shojaie, A., Gharib, S.A. & Leary, P.J. (2024). Proteomic signatures of right ventricular outcomes in pulmonary arterial hypertension. Circulation: Heart Failure, 17(11), e012067. [paper]

7. Rongkard, P., Xia, L., Kronsteiner-Dobramysl, B., Yimthin, T., Phunpang, R., Dulsuk, A., Hantrakun, V.,  Wongsuvan, G., Chamnan, P., Lovelace-Macon, L., Marchi, E., Day, N. P. J., Klenerman, P., Shojaie, A., Limmathurotsakul, D., Chantratita, N., Dunachie, S. J., West, T. E. & Gharib, S. A. (2024). Dysregulated immunologic landscape of early host response in melioidosis. JCI Insight, 9(18), e179106. [paper]

8. Xia, L., Hantrakun, V., Teparrukkul, P., Wongsuvan, G., Kaewarpai, T., Dulsuk, A., Day, N. P. J., Lemaitre, R. N., Chantratita, N., Limmathurotsakul, D., Shojaie, A., Gharib, S. A. & West, T. E. (2024). Plasma metabolomics reveals distinct biological and diagnostic signatures for melioidosis. American Journal of Respiratory and Critical Care Medicine, 209(3), 288--298. [paper]

9. Xia, L., Nan, B. & Li, Y. (2023). De-biased lasso for stratified Cox models with application to the national kidney transplant data. Annals of Applied Statistics, 17(4), 3550--3569. [paper] [code]

10. Pi, H.*, Xia, L.*, Ralph, D. D., Rayner, S. G., Shojaie, A., Leary, P. J. & Gharib, S. A. (2023). Metabolomic signatures associated with pulmonary arterial hypertension outcomes. Circulation Research, 132(3), 254--266. [paper]

11. Xia, L., Nan, B. & Li, Y. (2023). Statistical inference for Cox proportional hazards models with a diverging number of covariates. Scandinavian Journal of Statistics, 50(2), 550--571. [paper] [code]

12. Xia, L., Nan, B. & Li, Y. (2023). De-biased lasso for generalized linear models with a diverging number of covariates. Biometrics, 79(1), 344--357. [paper] [code]

13. Xia, L., He, K., Li, YM. & Kalbfleisch, J. D. (2022). Accounting for total variation and robustness in profiling health care providers. Biostatistics, 23(1), 257--273. [paper] [code]

14. He, K., Dahlerus, C., Xia, L., Li, YM. & Kalbfleisch, J. D. (2020). The profile Inter-Unit Reliability. Biometrics, 76(2), 654--663. [paper]

15. Yu, Y.*, Xia, L.*, Lee, S., Zhou, X., Stringham, H. M., Boehnke, M. & Mukherjee, B. (2018). Subset-based analysis using gene-environment interactions for discovery of genetic associations across multiple studies or phenotypes. Human Heredity, 83(6), 283--314. [paper] [code] 

16. Kalbfleisch, J. D., He, K., Xia, L., & Li, YM. (2018). Does the Inter-Unit Reliability (IUR) measure reliability?. Health Services and Outcomes Research Methodology, 18(3), 215--225. [paper]

17. Wagner, A. L., Xia, L., Ghosh, A., Datta, S., Pandey, P., Santra, S., Chattopadhyay, S., Nandi, U., Mazumder, T., Joshi, S., Pal, J. & Mukherjee, B. (2018). Using community health workers to refer pregnant women and young children to health care facilities in rural West Bengal, India: A prospective cohort study. PLoS ONE, 13(6), e0199607. [paper]

18. Wagner, A. L., Xia, L., Pandey, P., Datta, S., Chattopadhyay, S., Mazumder, T., Santra, S., Nandi, U., Pal, J., Joshi, S. & Mukherjee, B. (2018). Risk factors during pregnancy and early childhood in rural West Bengal, India: A feasibility study implemented via trained community health workers using mobile data collection devices. Maternal and Child Health Journal, 22(9), 1286--1296. [paper]

Submitted Manuscripts

1. Xia, L. & Shojaie, A. Statistical inference for high-dimensional generalized estimating equations. arXiv preprint, arXiv:2207.11686. [arXiv]

2. Pi, H., Xia, L., Rayner, S.G., Probstfield, J.L., Branch, K.R., Shojaie, A., Leary, P.J. & Gharib, S.A. Harnessing metabolomics and proteomics in a clinical trial for pulmonary arterial hypertension: Insights from post-hoc analysis of the REHAB-PH trial.

Technical Reports

1.  Xia, L., Nan, B. & Li, Y. (2020). A revisit to de-biased lasso for generalized linear models. arXiv preprint, arXiv:2006.12778. [arXiv]