Table 3.
Summary estimates of outcome variables in the current study
| Outcomes | Number of studies | Heterogeneity I 2a (%) | Pooled relative risk b | Mean difference | 95% confidence interval |
|---|---|---|---|---|---|
| Operative time | 5 | 97 | NA | −1.89 | [−5.84, 2.06] |
| Patient’s satisfaction | 4 | 21 | 1.0 | NA | [0.93, 1.08] |
| Grip strength | 2 | 0 | NA | 2.39 | [−0.95, 5.73] |
| Pinch strength | 2 | 87 | NA | −0.53 | [−3.16, 2.11] |
| Return to work | 2 | 0 | NA | −3.52 | [−8.15, 1.10] |
| Complication | 13 | 0 | 1.34 | NA | [0.74, 2.43] |
| Two-portal technique | 7 | 23 | 1.74 | NA | [0.71, 4.23] |
| One-portal technique | 6 | 0 | 1.06 | NA | [0.47, 2.40] |
| Nerve injury | 8 | 0 | 2.38 | NA | [0.98, 5.77] |
ECTR endoscopic carpal tunnel release, OCTR open carpal tunnel release, NA not applicable.
aHeterogeneity test: I 2 > 50%, random-effect analysis model; I 2 < 50%, fixed-effect analysis model.
bIf odds ratio/mean difference >1, favors ECTR; if odds ratio/mean difference <1, favors OCTR.