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Table 2 Completeness of reporting of primary outcomes and secondary outcomes designated as a “safety issue”

From: Public availability of results of observational studies evaluating an intervention registered at ClinicalTrials.gov

  Published articlesa Results not published but posted on ClinicalTrials.gov Results not published but posted on the sponsor website Total
Completeness of reporting of primary outcome(s) designated as a safety issue n = 133 n = 68 n = 41 n = 242
All outcomes adequately reported 114 (85.7) 62 (91.2) 33 (80.5) 209 (86.4)
At least one outcome partially reported or not reported 9 (6.8) 2 (2.9) 6 (14.6) 17 (7.0)
All outcomes not reported 10 (7.5) 4 (5.9) 2 (4.9) 16 (6.6)
Completeness of reporting of secondary outcome(s) designated as a safety issue for trials with no primary outcomes designated as a safety issue n = 47 n = 26 n = 23 n = 96
All outcomes adequately reported 28 (59.6) 24 (92.4) 14 (60.9) 66 (68.7)
At least one outcome partially reported or not reported 10 (21.3) 1 (3.8) 8 (34.8) 19 (19.8)
No outcome reported 9 (19.1) 1 (3.8) 1 (4.3) 11 (11.5)
  1. Data are presented as number (%)
  2. aOne missing value