1 First Case Study: G. Bronfort, M.A. Hondras, C.A. Schulz, R.L. Evans, C.R. Long, and R. Grimm. Spinal Manipulation and Home Exercise With Advice for Subacute and Chronic Back-Related Leg Pain. A Trial With Adaptive Allocation. Ann Intern Med. 2014;161:381-391.
2 Second Case Study: G. Tomasson, C. Peloquin, A. Mohammad, T.J. Love, Y. Zhang, H.K. Choi, and P.A. Merkel. Risk for Cardiovascular Disease Early and Late After a Diagnosis of Giant-Cell Arteritis. A Cohort Study. Ann Intern Med. 2014;160:73-80.
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Li T, Hutfless S, Scharfstein DO, et al. Standards should be applied in the prevention and handling of missing data for patient-centered outcomes research: a systematic review and expert consensus. J Clin Epi. 2014; 67:15-32.
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Bell ML and Fairclough DL. Practical and statistical issues in missing data for longitudinal patient-reported outcomes. Stat Methods Med Res. 2014; 23:440-59.
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