Table 9.

Genotype relative risk analysis for single nucleotide polymorphism 2 in the combined samples 1 + 2 + 3

Genotype	Rheumatoid arthritis cases	Controls	P
C/C	166	148	0.1 (C/C versus C/A + A/A)
C/A	206	191	0.002 (C/C + C/A versus A/A)
A/A	43	76