Table 3 Non-compliance and missing data

Non-compliance with allocated intervention

 Yes

45 (55)

 No

26 (32)

 Unclear

11 (13)

Percentage of non-compliance

 In all studies N; median

68^a; 2

 [25th, 75th centiles]

[0, 5]

 (Min, max)

(0, 29)

 Only in studies with non-compliance N; median

42^a; 4

 [25th, 75th centiles]

[2, 7]

 (Min, max)

(1, 29)

Missing data for primary outcome

 Yes

52 (63)

 No

23 (28)

 Unclear

7 (9)

Percentage of missing data

 In all studies N; median

74^b; 6

 [25th, 75th centiles]

[0, 15]

 (Min, max)

(0, 57)

 Only in studies with missing data. N; median

52^b; 12

 [25th, 75th centiles]

[6, 19]

 (Min, max)

(0, 57)