| WebCONSORT(n = 94) | Control(n = 103) |
---|---|---|
Number of extensions selecteda | ||
 No extension | 34 (36%) | 29 (28%) |
 1 extension | 37 (40%) | 53 (52%) |
 2 extensions | 21 (22%) | 20 (19%) |
 3 extensions | 1 (1%) | 1 (1%) |
 4 extensions | 1 (1%) | 0 |
Type of extension selectedb | ||
 Non-pharmacological extension | 43 | 50 |
 Cluster extension | 10 | 9 |
 Non-inferiority extension | 9 | 8 |
 Pragmatic extension | 20 | 16 |
 Herbal extension | 2 | 13 |
 Acupuncture extension | 2 | 0 |
 Extension correctly matchedc | ||
  Yes | 72 (77%) | 82 (80%) |
  No | 22 (23%) | 21 (20%) |
Reason for mismatchd | ||
 Author wrongly selected: |  |  |
  Pragmatic extension | 4 | 5 |
  Cluster extension | 6 | 4 |
  Non-inferiority extension | 3 | 5 |
  Non-pharmacological extension | 2 | 1 |
 Author failed to select: |  |  |
  Non-pharmacological extension | 10 | 7 |
  Non-inferiority extension | 1 | 0 |