Kovalchik SA - Search Results

1

A general binomial regression model to estimate standardized risk differences from binary response data.

Kovalchik SA, Varadhan R, Fetterman B, Poitras NE, Wacholder S, Katki HA. Kovalchik SA, et al. Stat Med. 2013 Feb 28;32(5):808-21. doi: 10.1002/sim.5553. Epub 2012 Aug 2. Stat Med. 2013. PMID: 22865328 Free PMC article.

2

Assessing heterogeneity of treatment effect in a clinical trial with the proportional interactions model.

Kovalchik SA, Varadhan R, Weiss CO. Kovalchik SA, et al. Stat Med. 2013 Dec 10;32(28):4906-23. doi: 10.1002/sim.5881. Epub 2013 Jun 21. Stat Med. 2013. PMID: 23788362

3

A regression model for risk difference estimation in population-based case-control studies clarifies gender differences in lung cancer risk of smokers and never smokers.

Kovalchik SA, De Matteis S, Landi MT, Caporaso NE, Varadhan R, Consonni D, Bergen AW, Katki HA, Wacholder S. Kovalchik SA, et al. BMC Med Res Methodol. 2013 Nov 19;13:143. doi: 10.1186/1471-2288-13-143. BMC Med Res Methodol. 2013. PMID: 24252624 Free PMC article.

4

Development and Validation of Risk Models to Select Ever-Smokers for CT Lung Cancer Screening.

Katki HA, Kovalchik SA, Berg CD, Cheung LC, Chaturvedi AK. Katki HA, et al. Among authors: kovalchik sa. JAMA. 2016 Jun 7;315(21):2300-11. doi: 10.1001/jama.2016.6255. JAMA. 2016. PMID: 27179989 Free PMC article.

5

Time to smoke first morning cigarette and lung cancer in a case-control study.

Gu F, Wacholder S, Kovalchik S, Panagiotou OA, Reyes-Guzman C, Freedman ND, De Matteis S, Consonni D, Bertazzi PA, Bergen AW, Landi MT, Caporaso NE. Gu F, et al. J Natl Cancer Inst. 2014 Jun 19;106(6):dju118. doi: 10.1093/jnci/dju118. Print 2014 Jun. J Natl Cancer Inst. 2014. PMID: 24948709 Free PMC article.

6

Targeting of low-dose CT screening according to the risk of lung-cancer death.

Kovalchik SA, Tammemagi M, Berg CD, Caporaso NE, Riley TL, Korch M, Silvestri GA, Chaturvedi AK, Katki HA. Kovalchik SA, et al. N Engl J Med. 2013 Jul 18;369(3):245-254. doi: 10.1056/NEJMoa1301851. N Engl J Med. 2013. PMID: 23863051 Free PMC article. Clinical Trial.

7

Implications of Nine Risk Prediction Models for Selecting Ever-Smokers for Computed Tomography Lung Cancer Screening.

Katki HA, Kovalchik SA, Petito LC, Cheung LC, Jacobs E, Jemal A, Berg CD, Chaturvedi AK. Katki HA, et al. Among authors: kovalchik sa. Ann Intern Med. 2018 Jul 3;169(1):10-19. doi: 10.7326/M17-2701. Epub 2018 May 15. Ann Intern Med. 2018. PMID: 29800127 Free PMC article.

8

Population-based absolute risk estimation with survey data.

Kovalchik SA, Pfeiffer RM. Kovalchik SA, et al. Lifetime Data Anal. 2014 Apr;20(2):252-75. doi: 10.1007/s10985-013-9258-4. Epub 2013 May 18. Lifetime Data Anal. 2014. PMID: 23686614 Free PMC article.

9

Aggregate-data estimation of an individual patient data linear random effects meta-analysis with a patient covariate-treatment interaction term.

Kovalchik SA. Kovalchik SA. Biostatistics. 2013 Apr;14(2):273-83. doi: 10.1093/biostatistics/kxs035. Epub 2012 Sep 21. Biostatistics. 2013. PMID: 23001065 Free PMC article.

10

Using aggregate data to estimate the standard error of a treatment-covariate interaction in an individual patient data meta-analysis.

Kovalchik SA, Cumberland WG. Kovalchik SA, et al. Biom J. 2012 May;54(3):370-84. doi: 10.1002/bimj.201100167. Biom J. 2012. PMID: 22685003

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