Table 4.

Allelic frequencies of TGFB1 polymorphisms in (a) male and (b) female IgA nephropathy patients and healthy controls

	Control, case	Control, case			100 000 permutation,
SNPs	ratio counts	frequencies	Chi-square	P-valuea	P-value
(a) Male IgA nephropathy patients
rs6957	537:91, 228:60	0.855, 0.792	5.77	0.016	0.08
rs2241715	462:168, 191:99	0.733, 0.659	5.381	0.020	0.09
rs1800471	581:47, 259:27	0.925, 0.906	1.011	0.314	NS
rs1982073	411:217, 158:130	0.654, 0.549	9.401	0.002	0.02
rs1800469	460:168, 186:102	0.732, 0.646	7.132	0.007	0.04
(b) Female IgA nephropathy patients
rs6957	52:252, 22:108	0.171, 0.169	0.002	0.9631	NS
rs2241715	92:214, 34:98	0.301, 0.258	0.835	0.3608	NS
rs1800471	285:23, 120:12	0.925, 0.909	0.333	0.5641	NS
rs1982073	116:190, 49:83	0.379, 0.371	0.024	0.876	NS
rs1800469	93:215, 36:94	0.302, 0.277	0.276	0.5996	NS

^aUncorrected.