Table 5.

The result of sensitive analysis

Gene	Excluded study	Pooled OR	95 % CI	P	I 2 (%)	P value for I 2
PTPN22 rs2476601	Okruszko [24]	1.453	1.218–1.732	<0.001	0.00	0.477
	Petrone [21]	1.531	1.281–1.829	<0.001	28.94	0.229
	Cervin [9]	1.414	1.124–1.778	0.003	18.58	0.296
	Pettersen [22]	1.575	1.310–1.894	<0.001	18.05	0.300
	Kisand [20]	1.585	1.333–1.885	<0.001	0.00	0.588
CTLA-4 rs231775	Cosentino [28]	1.314	1.132–1.526	0.001	63.688	0.026
	Pettersen [22]	1.460	1.235–1.728	<0.001	48.397	0.101
	Haller [26]	1.262	1.084–1.468	0.003	43.419	0.132
	Kisand [20]	1.268	1.089–1.476	0.002	49.531	0.094
	Caputo [27]	1.372	1.181–1.595	<0.001	61.487	0.034
	Jin [23]	1.379	1.170–1.624	<0.001	63.459	0.027