Table 2 Summary estimates of outcome variables in the current study
Outcome | No. of studies | Heterogeneity I2a (%) | Pooled odds ratiob | Mean differencec | 95% confidence interval (lower bound) | 95% confidence interval (upper bound) |
|---|---|---|---|---|---|---|
Operative time | 4 | 99 | NA | −5.81 | −17.85 | 6.23 |
Grip strength | 2 | 0 | NA | 1.99 | −0.43 | 4.42 |
BCTQ-S score | 3 | 92 | NA | 0.15 | −0.04 | 0.35 |
BCTQ-F score | 3 | 91 | NA | 0.17 | −0.02 | 0.36 |
SW monofilament test score | 2 | 0 | NA | 0.06 | −0.09 | 0.21 |
2PD test score | 3 | 35 | NA | −0.16 | −0.45 | 0.12 |
Satisfaction rate | 2 | 0 | NA | 3.13 | 1.43 | 4.82 |
Key pinch strength | 2 | 0 | NA | 0.79 | 0.27 | 1.32 |
Return to work | 4 | 98 | NA | −7.25 | −14.31 | −0.19 |
Complications | 25 | 16 | 1.06 | NA | 0.69 | 1.64 |
Transient nerve injury | 25 | 0 | 4.87 | NA | 1.37 | 17.25 |
Permanent nerve injury | 25 | 29 | 1.93 | NA | 0.58 | 6.4 |
Scar-related complications | 25 | 0 | 0.2 | NA | 0.07 | 0.59 |
Hematoma | 25 | 0 | 1.60 | NA | 0.36 | 7.16 |
Wound infection | 25 | 0 | 0.53 | NA | 0.15 | 1.97 |
Superficial palmar arch injury | 25 | NA | 3.07 | NA | 0.12 | 76.48 |
Persistent symptoms | 25 | 0 | 2.17 | NA | 0.85 | 5.55 |
Pillar pain | 25 | 35 | 0.95 | NA | 0.32 | 2.82 |
Reflex sympathetic dystrophy | 25 | 0 | 0.40 | NA | 0.10 | 1.65 |
Tendon injury | 25 | NA | 0.26 | NA | 0.01 | 6.50 |