Table 2.

Results of Poisson regression analysis

	B	S.E.	Wald	PR	p	%95 C.I. for OR
						Lower	Upper
Age	-0.00298	0.00325	0.84	0.99703	0.3591	0.99070	1.00339
Sex	0.17823	0.08880	4.03	1.19511	0.0447*	1.00421	1.42229
BMI	0.00655	0.00717	0.83	1.00657	0.3613	0.99252	1.02082
Systemic disease	0.05977	0.10375	0.33	1.06159	0.5645	0.86626	1.30097
PASI	0.03971	0.00792	25.11	1.04051	<0,001*	1.02447	1.05680