Nail Involvement in Patients with Psoriatic Arthritis in Northern Iran

Table 2

Psoriasis phenotypes in the groups studied.

Type of Psoriasis	All patients; (N= 197)	Patients without PsA; (N=102)	Patients with PsA; (N=95)	P Value
Chronic plaque	181 (91.9%)	90 (88.2%)	91 (95.8%)	0.05
Pustular	2 (1%)	1 (1%)	1 (1.1%)	0.96
Palmoplantar	33 (16.8%)	19 (18.6%)	14 (14.7%)	0.53
Flexural	13 (6.6%)	8 (7.8%)	5 (5.8%)	0.46
Guttate	32 (16.2%)	13 (12.7%)	19 (20%)	0.16
Erythrodermic	5 (2.5%)	2 (2%)	3 (3.2%)	0.59