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Table 1 Characteristics of studies included in the analysis

From: Multiple testing in orthopedic literature: a common problem?

  Journal A (N = 72) number of studies (%) Journal B (N = 55) number of studies (%)
Study type RCT$ 12 (16.7) 10 (18.2)
Cohort 42 (58.3) 32 (58.2)
Case Control 5 (6.9) 5 (9.1)
Cross Sectional 1 (1.4) 2 (3.6)
Cadaver 9 (12.5) 0
Animal 1 (1.4) 1 (1.8)
Other 2 (2.8) 5 (9.1)
Primary outcome stated   19 (26) 9 (16.4)
Statistician/epidemiologist part of research group *   5 (9.1)
Corrected for multiple testing   11 (15) 3 (5.5)
Problem mentioned, not corrected   4 (6) 0
  1. $Randomized controlled trial.
  2. *Data not available: background of authors was not mentioned in articles published in this journal.