Table 6. Results of the association between Taq I polymorphism and PCa risk in different tumor stage.

Comparison	Studies	Overall effect			Heterogeneity		Publication bias
		OR	Z-score	p-value	I2	P-value	Begg's test	Egger's test
Advanced
tt vs TT	9	0.87 [0.66–1.14]	1.02	0.307	23%	0.243	0.621	0.763
Tt vs TT	9	0.85 [0.65–1.11]	1.18	0.237	53%	0.030	0.404	0.357
tt/Tt vs TT	9	0.84 [0.64–1.10]	1.28	0.200	59%	0.012	0.532	0.347
tt vs TT/Tt	9	0.92 [0.69–1.22]	0.59	0.552	34%	0.155	0.621	0.686
t vs T	9	0.88 [0.70–1.10]	1.14	0.252	66%	0.003	0.211	0.301
Localized
tt vs TT	8	0.63 [0.27–1.45]	1.10	0.273	85%	0.000	0.453	0.966
Tt vs TT	8	0.90 [0.66–1.24]	0.63	0.531	61%	0.013	0.458	0.901
tt/Tt vs TT	8	0.84 [0.56–1.27]	0.83	0.406	79%	0.000	0.458	0.933
tt vs TT/Tt	8	0.66 [0.35–1.22]	1.33	0.182	76%	0.000	0.652	0.891
tvs T	8	0.84 [0.69–1.01]	0.95	0.344	86%	0.000	0.621	0.903