Table 1 Description of studies

Body function outcome

Primary only

19 % (16/84)

Secondary only

6 % (5/84)

Primary and secondary

56 % (47/84)

Unclear

13 % (11/84)

Multiple primary outcomes

29 % (24/84)

Number of arms

2

81 % (68/84)

Number of patients per arm

Median (range)

18.8 (6–182)

Type of study

Comparison of treatment

35 % (29/84)

Comparison with placebo/usual care

80 % (67/84)

Cross-over design

5 % (4/84)

Duration of follow-up

median (range) of duration

3 (0.3–60) months

Number of follow-up measures

2

55 % (46/84)

4

35 % (29/84)

Other (3,5, unclear)

11 % (9/84)