Table 1.

Comparison of smoking frequency between patients with psoriasis and NATPOL 2011

Variable	Total		Female		Male
	Study group	NATPOL	Study group	NATPOL	Study group	NATPOL
The number of distinguished people	29	250	9	101	20	149
Ratio	0.4670	0.2900	0.3210	0.2510	0.5880	0.3240
Probability (p)	0.0034		0.0978		0.0017

Note: If p < α = 0.05 – statistically significant differences.