H. N. (Raj) Nagaraja, PhD

Professor Emeritus

H. N. (Raj) Nagaraja, PhD


400-C Cunz Hall
1841 Neil Ave.
Columbus, OH, 43210


nagaraja [dot] 1atosu [dot] edu

Order and Record Statistics, Measuring Agreement, Stochastic Modeling of Biomedical Data, Biostatistical Applications.

Ph.D., Statistics, Iowa State University, 1980
M.Sc., Statistics, University of Mysore, India, 1974
B.Sc., Mathematics, Statistics, University of Mysore, 1972

Solomon J, Greenewald KH, Nagaraja HN (2022). k-Variance: A Clustered Notion of Variance. SIAM Journal on Mathematics of Data Science. Vol. 4, Issue 3, 957-978; https://doi.org/10.1137/20M1385895

Vasudeva R and Nagaraja HN (2022). On the Asymptotic Behaviour of Extremes of Observations from aTempered Stable Distribution, Journal of the Indian Society for Probability and Statistics; https://doi.org/10.1007/s41096-022-00118-5

Murthy N, Nagaraja HN, Rikhtehgar Berenji H. Managing Concurrency in Cyclical Projects under Stochastic Task Environments: Gaining Understanding of the New Paradigm for Planning Vaccine Development Projects during Pandemics. Production and Operations Management. Accepted Sept 2022.

Ganesan S, Dabdoub S, Nagaraja H, Mariotti A, Ludden C, Kumar P.  Biome-microbiome interactions in peri-implantitis: a pilot investigation. Journal of Periodontology 2022 Jan 24.  doi: 10.1002/JPER.21-0423.

Ayoub I, Nagaraja HN, Kang R, Rovin B, Bhatt U (2022) Which is a better predictor of GFR decline:24-h urine protein or 24-h protein–creatinine ratio? An exploration of the MDRD study data. Frontiers in Nephrology Jan 27, Vol.1:797431.doi: 10.3389/fneph.2021.797431

Miller CK, Nagaraja HN, Cheavens J, Fujita K, Lazarus S. (2022) Impact of a Novel Diabetes Prevention Intervention for Early Slow Weight Loss Responders among Adults with Prediabetes: An Adaptive Trial. Diabetes Care. 2022;Vol 45:2452–2455. https://doi.org/10.2337/dc22-0824 PMID: 36041053.

Zhou D, King E, Rothwell S et al. (2022). Low Copy Numbers of Complement C4 and C4A Deficiency Are Risk Factors for Myositis, Its Subgroups and Autoantibodies.  Annals of the Rheumatic Diseases. doi:10.1136/ard-2022-222935.

Endo M, Sipos JA, Ringel MD, Porter K, Nagaraja HN, Phay JE, Shirley LA, Long C,  Wright CL, Roll K, Nabhan FA.  Prevalence of Cancer and the Benign Call Rate of Afirma Gene Classifier in 18F-Fluorodeoxyglucose Positron Emission Tomography Positive Cytologically Indeterminate Thyroid Nodules. Cancer Medicine . 2021 Feb; 10(3): 1084–1090. doi: 10.1002/cam4.3704, PMCID: PMC7897903

Beversdorf DQ, Nagaraja HN, Bornstein RA, Scharre DW.  The effect of donepezil on problem solving ability in patients with mild cognitive impairment: a pilot study.  Cognitive and Behavioral Vol. 34, Number 3, September 2021, 182-187.

Altabtbaei K, Maney P, Ganesan SM, Dabdoub SM, Nagaraja HN, Kumar, P. Anna Karenina and the subgingival microbiome associated with periodontitis. Microbiome, 2021 Apr 30;9(1):97. doi: 10.1186/s40168-021-01056-3. PMID: 33941275 PMCID: PMC8091542

Toy CR, Song H, Nagaraja HN, Scott J, Greco J, Zhang Z, Yu C-Y, Tumlin JA, Rovin BH, Hebert LA, Birmingham JH, The influence of an elastase-sensitive complement C5 variant on Lupus Nephritis and its flare. Kidney International Reports, Vol. 6, 2021, p. 2105-2113. https://doi.org/10.1016/j.ekir.2021.05.029.

Scharre DW, Chang S-I, Nagaraja HN, Wheeler NC, Kataki M.  Self-Administered Gerocognitive Examination: Longitudinal cohort testing for the early detection of dementia conversion. Alzheimer's Research & Therapy 2021 Dec 6;13(1):192. doi: 10.1186/s13195-021-00930-4.

Nagaraja HN and Nagaraja CH (2021). Large sample properties of jackknife estimators of the variance of a sample quantile. In Ghosh, Balakrishnan, Ng (Eds), Advances in Statistics-Theory and Applications. Springer. (pp. 25-42).

Nagaraja CH and Nagaraja HN (2020). Distribution-free approximate methods for constructing confidence intervals for quantiles. International Statistical Review. 88(1), 75-100 (doi:10:1111/insr.12338).

Ahmadi J and Nagaraja HN (2020). Conditional properties of  a random sample  given  an order statistic. Statistical Papers. 61, 1971–1996 https://doi.org/10.1007/s00362-018-1016-y

Ahmadi J, Fashandi M. and Nagaraja HN. (2020). Characterizations of symmetric distributions using equi-distributions and moment properties of functions of order statistics. Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas volume 114. April 2020. https://doi.org/10.1007/s13398-020-00820-8

Nagaraja HN, Sanders S (2020) The aggregation paradox for statistical rankings and nonparametric tests. PLoS ONE 15(3): e0228627. https://doi.org/10.1371/journal.pone.0228627

Mejia-Vilet JM, Zhang XL, Cruz C, Cano-Verduzco ML, Shapiro JP, Nagaraja HN, Morales-Buenrostro LE, Rovin BH. (2020). Urinary Soluble CD163: a Novel Noninvasive Biomarker of Activity for Lupus Nephritis. J Am Soc Nephrol. 2020 Jun;31(6):1335-1347. doi: 10.1681/ASN.2019121285.

Ganesan SM, Dabdoub SM, Nagaraja HN, Scott ML, Pamulapati S, Berman ML, Shields PG, Wewers ME, Kumar PS. (2020). Adverse effects of electronic cigarettes on the disease-naive oral microbiome. Science Advances, 2020 May 27;6(22):eaaz0108. doi: 10.1126/sciadv.aaz0108. eCollection 2020 May.

Slivnick JA, Tong MS, Nagaraja HN, Elamin MB, Wallner A, O'Brien A, Raman SV, Zareba KM. (2020). Novel Cardiovascular Magnetic Resonance Model to Distinguish Immunoglobulin Light Chain From Transthyretin Cardiac Amyloidosis. JACC Cardiovasc Imaging. 2020 Sep 11:S1936-878X(20)30715-4. doi: 10.1016/j.jcmg.2020.07.030

Mejia-Vilet JM, Shapiro JP, Zhang XL, Cruz C, Zimmerman G, Méndez-Pérez RA, Cano-Verduzco ML, Parikh SV, Nagaraja HN, Morales-Buenrostro LE, Rovin BH. (2020). Association between urinary epidermal growth factor and renal prognosis in lupus nephritis. Arthritis Rheumatol. 2020 Sep 6. doi: 10.1002/art.41507.

Satoskar AA, Shapiro JP, Jones M, Bott C, Parikh SV, Brodsky SV, Yu L, Nagaraja HN, Wilkey DW, Merchant ML, Klein JB, Nadasdy T, Rovin BH. (2020). Differentiating Staphylococcus infection-associated glomerulonephritis and primary IgA nephropathy: a mass spectrometry-based exploratory study. Scientific Reports 2020 Oct 14;10(1):17179. doi: 10.1038/s41598-020-73847-x.