Table 2. Pooled Analysis on Association between the T869C polymorphism and the RP risk.

Genetic Model	Number of study	Sample size		Analysis Model	I2	Test of Association(95%CI)
		case	control			P	OR
Dominant model	7	341	712	F	45	0.00	0.59 [0.45, 0.79]
Recessive model	5	229	490	F	0	0.43	0.85 [0.57, 1.27]
CT vs. TT	5	164	406	F	0	0.00	0.47 [0.32, 0.69]
CC vs. TT	5	137	262	F	22	0.13	0.70 [0.45, 1.11]
Ethnicity
Asian
Dominant model	3	150	330	R	57	0.33	0.80 [0.52, 1.25]
Caucasian
Dominant model	3	161	352	F	30	0.00	0.48 [0.29, 0.78]

Dominant model: TC+CC vs.TT; Recessive model: CC vs. TT+TC; R, Random-effects model; F, fixed-effects model;