Table 1.

Results of association analyses

Haplotype groups	IL10 polymorphisms
	−1082A/G	−819C/T	−592C/A
3 markers	χ2 = 11.18; df = 7; p = 0.13
2 markers	χ2 = 0.85; df = 3; p = 0.84
2 markers		χ2 = 3.09; df = 3; p = 0.38
2 markers	χ2 = 7.69; df = 3; p = 0.05		χ2 = 7.69; df = 3; p = 0.05
1 markers	χ2 = 0.23; df = 1; p = 0.63	χ2 = 0.24; df = 1; p = 0.62	χ2 = 28; df = 1; p = 0.60

Grey shading indicates the combinations of markers used in the haplotypes tested.