Nadia Sultan, Asad Ali Chaudhry, Saima Rehman, Ghazala Butt, Shahbaz Aman, Shehla Shaukat, Mehek Fatima, Saira Omer.
Frequency of psoriatic arthritis in patients of psoriasis presenting to Dermatology Department, Mayo Hospital, Lahore.
J Pak Assoc Derma Jan ;30(2):331-5.

Background: Psoriasis is chronic inflammatory disease characterized by red, scaly, sharply demarcated, plaques, mostly over extensor surfaces of the skin.1 Disease is variable in duration & periodicity of flares. Psoriatic arthritis is an inflammatory arthritis associated with psoriasis. Objective: To determine the frequency of psoriatic arthritis in patients presenting to a tertiary care setting. Methods: This was a cross sectional study conducted at OPD, Unit-I, KEMU Mayo Hospital, Lahore for a period of six months. Total 140 patients of psoriasis compatible with the inclusion criteria, were enrolled & evaluated for psoriatic arthritis (as per operational definition). Results 140 patients, 87 (62%) M & 53 (38%) F, mean age of 40.97±14.74 yrs. were enrolled. 65 (46.42%) cases were positive for PsA, 44 (67.69%) M & 21 (32.31%) F, mean age 42.92±13.70.

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