Table 3.

The meta-regression analysis.

Variables	Coefficients	95% CI	SE	p-value
Total n	0.004	−0.003; 0.012	0.004	0.253
Vitiligo n	0.003	−0.009; 0.016	0.006	0.612
Controls n	0.015	−0.001; 0.031	0.008	0.059
Vitiligo-Male	0.009	−0.015; 0.034	0.013	0.468
Vitiligo-Female	0.007	−0.018; 0.032	0.013	0.593
Vitiligo-M/F Ratio	0.030	−0.073; 0.134	0.053	0.566
Controls -Male	0.038	0.001; 0.075	0.019	0.044
Controls -Female	0.031	−0.007; 0.068	0.019	0.107
Controls -M/F Ratio	0.030	−0.073; 0.134	0.053	0.566
Vitiligo-Age	0.042	−0.056; 0.140	0.050	0.405
Controls-Age	0.012	−0.105; 0.130	0.060	0.837
Disease duration	−0.021	−0.261; 0.219	0.122	0.863
Year	−0.086	−0.313; 0.140	0.116	0.455
Country	0.194	0.041; 0.347	0.078	0.013
Method	−0.450	−1.206; 0.306	0.386	0.243
NOS	−0.166	−0.756; 0.425	0.301	0.583