Table 2. Pooled measures for the association between the PAI-1 -675 4G/5G polymorphism and susceptibility to diabetes.

Comparisions	Data	n			Heterogeneity		OR (95% CI)	Model	p
		Studies	Cases	Controls	I 2 (%)	P
Allelic comparisions	Overall	6	1333	3011	0	0.845	1.07 (0.96-1.20)	REM	0.234
	Asian	3	658	334	0	0.484	1.07(0.88-1.30)	REM	0.502
	European	3	665	2677	0	0.696	1.06(0.90-1.18)	REM	0.324
Dominant	Overall	6	1333	3011	0	0.835	1.16(0.96-1.40)	REM	0.123
Recessive	Overall	6	1333	3011	0	0.447	1.04(0.88-1.24)	REM	0.655
Co-dominant	Overall	6	654	1508	0	0.896	1.18(0.94-1.47)	REM	0.155

Note: Allelic comparisions, 4G vs. 5G; REM, Random effect model.