Table 2

TNF microsatellite allele frequencies at three loci in patients with psoriasis (Ps), psoriatic arthritis (PsA), and in ethnically matched healthy controls

	TNFa			TNFc			TNFd
Allele	Ps	PsA	Control	Ps	PsA	Control	Ps	PsA	Control
1	0	0.017	0.017	0.567	0.657	0.703	0.048	0.118	0.098
2	0.328	0.333	0.25	0.433	0.343	0.297	0.016	0.026	0.029
3	0	0.005	0.006				0.427	0.447	0.494
4	0.067	0.033	0.085				0.444	0.283	0.259
5	0.089	0.033	0.068				0.065	0.138	0.08
6	0.089	0.177	0.119				0	0.013	0.023
7	0.119	0.066	0.063				0	0	0.017
8	0.007	0.017	0.006
9	0.022	0.061	0.006
10	0.149	0.117	0.176
11	0.157	0.089	0.170
12	0.007	0.011	0
13	0.03	0.033	0.034
14	0	0.005	0