Table 3 Study recruitment rates, withdrawal rates and exercise adherence rates reported as overall, and for exercise mode, intervention supervision, intervention length, timing with respect to treatment, cancer diagnosis and study quality
|  | Recruitment rate (%) Median (minimum, maximum) [n = 16 trials] | Withdrawal rate (%)a Median (minimum, maximum) | Adherence rate (%) Median (minimum, maximum) [n = 14 groupsa from n = 12 trials] | |
|---|---|---|---|---|
Exercise [n = 21 groups from 19 trialsa] | Usual care [n = 19 groups from 19 trials] | |||
Overall | 38 (4–91) | 12 (0, 22) | 11 (0, 31) | 86 (42, 98) |
Mode | ||||
 Aerobic exercise | 28 (15, 38) | 5 (0, 14) | 8 (0, 8) | 76 (42, 93) |
 Mixed mode exercise | 41 (4, 91) | 12 (0, 90) | 15 (0, 31) | 88 (61, 98) |
 Other exercise | −b | − b | − b | − b |
Supervision | ||||
 Supervised | 39 (10, 91) | 11 (0, 22) | 18 (0, 31) | 88 (53, 98) |
 Unsupervised | 37 (4, 84) | 12 (0, 21) | 8 (0, 21) | 76 (42, 93) |
Length | ||||
  < 12 weeks | 61 (18, 91) | 12 (0, 22) | 18 (0, 31) | 85 (53, 98) |
  ≥ 12 weeks | 33 (4, 54) | 12 (0, 21) | 8 (0, 21) | 89 (42, 93) |
Treatment | ||||
 Pre-treatment | 88 (84, 91) | 14 (0, 16) | 11 (0, 18) | 78 (74, 98) |
 During treatment | 33 (26, 39) | 12 (5, 14) | 8 (0, 31) | 75 (42, 89) |
 Post-treatment | 28 (4, 61) | 11 (0, 22) | 13 (0, 21) | 88 (53, 93) |
Cancer diagnosis | ||||
 Colorectal | 27 (4, 91) | 11 (0, 22) | 14 (0, 31) | 77 (42, 98) |
 Colon only | 39 (10, 61) | 12 (0, 14) | 8 (0, 19) | 89 (61, 93) |
 Rectal only | −b | −b | −b | −b |
Study quality | ||||
 Low | −b | −b | -b | -b |
 High | 38 (4, 91) | 12 (0, 22) | 11 (0, 31) | 88 (42, 98) |