Skip to main content
. 2021 Aug 25;19:195. doi: 10.1186/s12916-021-02062-w

Table 1.

Comparison of reporting of design factors, statistical analysis and reporting of efficacy and safety outcomes across all three data sources

Key information based on reporting of design aspects and statistical analysis, and reporting of efficacy and safety sections CSR (N = 35) Trial registry (N = 34) Journal Publication(s) (N = 33)
Method and design
 Randomisation 30 (86%) 0 (0%) 21 (64%)
 Allocation concealment 28 (80%) 1 (3%) 11 (33%)
 Blinding 35 (100%) 2 (6%) 19 (58%)
 Sample size calculation 32 (91%) 1 (3%) 17 (52%)
 Inclusion criteria specified 35 (100%) 32 (94%) 32 (97%)
 Definition of causality provided 30 (86%) 1 (3%) 5 (15%)
 Intervention and comparator
  Intervention used 35 (100%) 30 (88%) 33 (100%)
  Dose and delivery 35 (100%) 10 (29%) 27 (82%)
  Placebo pill explained (i.e. visual detail) 27 (77%) 1 (3%) 9 (27%)
Outcomes
 Primary outcome specified 35 (100%) 30 (88%) 25 (76%)
 Secondary outcomes specified 35 (100%) 29 (85%) 20 (61%)
 HRQoL measured (i.e. SQLS or sleep quality) 26 (74%) 3 (9%) 9 (27%)
 Symptoms (depression or suicidality) 34 (97%) 1 (3%) 5 (15%)
Safety
 AEs 35 (100%) 10 (29%) 29 (88%)
 SAEs 35 (100%) 17 (49%) 20 (61%)
 Discontinuation due to AEs 33 (94%) 9 (26%) 20 (61%)
 Reason for withdrawal 31 (89%) 1 (3%) 11 (33%)
 Death 35 (100%) 9 (26%) 29 (88%)
 Reason for death 35 (100%) 33 (97%) 30 (91%)

CSR clinical study reports, HRQoL health-related quality of life, SQLS sleep quality of life survey, AEs adverse events, SAEs serious adverse events