Table 2 A summary results of the meta-analysis.
Outcomes | NO. of study | Heterogeneity test | Effect Model | Effect size | |||
|---|---|---|---|---|---|---|---|
I 2 | P | MD/SMD | 95% CI | P | |||
VSS | 5 | 37% | 0.17 | Random | −0.60 | −0.92, −0.28 | <0.01 |
Fixed | −0.58 | −0.78, −0.37 | <0.01 | ||||
Thickness | 7 | 48% | 0.09 | Random | −0.38 | −0.63, −0.12 | <0.01 |
Fixed | −0.25 | −0.40, −0.11 | <0.01 | ||||
L*a*b*: L | 4 | 0% | 0.59 | Random | 2.00 | 0.59, 3.42 | 0.01 |
Fixed | 2.00 | 0.59, 3.42 | 0.01 | ||||
L*a*b*: a | 5 | 0% | 0.57 | Random | −0.79 | −1.52, −0.07 | 0.03 |
Fixed | −0.79 | −1.52, −0.07 | 0.03 | ||||
L*a*b*: b | 4 | 50% | 0.11 | Random | 0.86 | −0.16, 1.87 | 0.10 |
Fixed | 0.86 | 0.18, 1.55 | 0.01 | ||||
Pigmentation | 3 | 4% | 0.35 | Random | −0.17 | −0.33, −0.00 | 0.05 |
Fixed | −0.16 | −0.32, −0.00 | 0.04 | ||||
Hardness | 5 | 65% | 0.02 | Random | −0.65 | −1.07, −0.23 | <0.01 |
Fixed | −0.60 | −0.84, −0.37 | <0.01 | ||||
Vascularity | 2 | 0% | 0.80 | Random | 0.03 | −0.43, 0.48 | 0.91 |
Fixed | 0.03 | −0.43, 0.48 | 0.91 | ||||