Demographic and clinical characteristics of patients with psoriasis and hypertension (cases) and those with hypertension without psoriasis (controls).

Percentages are followed by number of cases (in parentheses). For race, smoking status, and alcohol use, the analysis includes only patients with complete data on these parameters.†Chi-square test was used to determine significance.‡Fisher's exact test was used to determine significance.*Student's t-test was used to determine significance.