Table 2.

Univariate logistic regression analysis of variables associated with PASI 75 response.

Variable	OR (95% CI)	p-Value
20 weeks
Number of PBT	2.86 (1.41–5.88)	0.004
Number of comorbidities	2.56 (1.14–5.88)	0.023
PBT + comorbidities	1.96 (1.27–3.03)	0.003

CI, confidence interval; OR, odds ratio; PASI, Psoriasis Area Severity Index; PBT, previous biologic treatment. Variables included in model were sex, age, age at onset of disease, disease duration, body weight, BMI, PASI at baseline, number of comorbidities and number of previous biologic treatments.