Suppressed Programmed Death 1 Expression on CD4⁺ and CD8⁺ T Cells in Psoriatic Patients

Table 1

Clinical data of psoriatic patients.

Characteristics	Psoriasis patients; ()	Healthy control; ()
Age (years), M ± SD	47.1 ± 14.6	48.7 ± 15.2
Sex (male), n, %	65, 84.7	43, 82.7
Duration of psoriasis (years), M ± SD	20.0 ± 13.6
Age of psoriasis onset (years), M ± SD	27.1 ± 14.6
Positive family history of psoriasis, n, %	28, 37.3
PASI, M ± SD	14.0 ± 9.4
BSA (%), M ± SD	24.0 ± 17.8
IGA, n, %
Mild	17, 22.7
Moderate	38, 50.7
Severe	16, 21.3
Very severe	4, 5.3
NAPSI 80, M ± SD	18.5 ± 16.5
DLQI, M ± SD	14.0 ± 7.8

PASI: Psoriasis Area and Severity Index; BSA: Body Surface Area; IGA: Investigator Global Assessment; DLQI: Dermatology Life Quality Index; NAPSI 80: Nail Psoriasis Severity Index 80; M: mean value; SD: standard deviation.