Comparison 2. Effects of 3 months of postoperative night splinting (intention‐to‐treat).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 DASH score at 3 months	2	205	Mean Difference (IV, Random, 95% CI)	1.15 [‐2.32, 4.62]
2 Total active extension at 3 months	2	225	Mean Difference (IV, Random, 95% CI)	‐2.21 [‐8.01, 3.59]
2.1 Middle finger	1	12	Mean Difference (IV, Random, 95% CI)	4.0 [‐30.26, 38.26]
2.2 Ring finger	1	22	Mean Difference (IV, Random, 95% CI)	‐4.0 [‐23.24, 15.24]
2.3 Little finger	1	40	Mean Difference (IV, Random, 95% CI)	‐5.0 [‐27.35, 17.35]
2.4 No subgroup by digit	1	151	Mean Difference (IV, Random, 95% CI)	‐2.0 [‐8.43, 4.43]
3 Total active flexion at 3 months	2	225	Mean Difference (IV, Random, 95% CI)	12.36 [1.21, 23.50]
3.1 Middle finger	1	12	Mean Difference (IV, Random, 95% CI)	29.00 [3.96, 54.04]
3.2 Ring finger	1	22	Mean Difference (IV, Random, 95% CI)	24.0 [0.21, 47.79]
3.3 Little finger	1	40	Mean Difference (IV, Random, 95% CI)	9.0 [‐9.12, 27.12]
3.4 No subgroup by digit	1	151	Mean Difference (IV, Random, 95% CI)	4.60 [‐3.25, 12.45]