Table 3.

The association of different genotypes and alleles of various polymorphisms with the severity of knee OA

Genotype	N	scale 2	scale 3	scale 4	P value
rs2275913	594				0.116
GG	189	63	57	69
GA	271	78	97	96
AA	134	29	44	61
Allele					0.057
G	649	204	211	234
A	539	136	185	218
rs763780					0.272
TT	380	135	141	104
TC	188	55	68	65
CC	26	6	10	10
Allele					0.077
T	948	325	350	273
C	240	67	88	85