Table 5 Heterogeneity and publication bias assessment
Outcomes | I2 | Potential source of heterogeneity | Egger’s test |
|---|---|---|---|
Graft success rate | 0% | none | p = 0.835 |
Surgery time | 90% | Fu 2017 [29]; Yang 2019 [28]; Lee 2018 [22]; Liao 2017 [25]; Raj 2011 [24] | p = 0.016 |
Postoperative pain (immediately postsurgery) | 91% | Raj 2011 [24] | p = 0.178 |
Postoperative pain (1 day postsurgery) | Not applicable | Not applicable | Not applicable |
Hearing results (average AC) | Not applicable | Not applicable | Not applicable |
Hearing results (average BC) | 0% | none | Not applicable |
Hearing results (average ABG) | 38% | none | p = 0.522 |
Hearing results (ABG reduction) | 0% | none | Not applicable |
Complications | Not applicable | Not applicable | Not applicable |