Objective: To assess the prevalence and severity of fibromyalgia in hospital-visiting patients.
Methods: The cross-sectional study was conducted at the Pakistan Institute of Medical Sciences, Islamabad, Pakistan, from July, 2018, to January, 2019, and comprised patients aged 18-75 years of either gender. Demographic information, comorbidities and previous medications were recorded for each patient. The modified American College of Rheumatology preliminary diagnostic criteria 2010-11 for fibromyalgia diagnosis. If diagnosed, the fibromyalgia impact questionnaire was administered to assess its severity. Data was analysed using SPSS 25.
Results: Of the 750 hospital-visiting patients, fibromyalgia was diagnosed in 250(33.3%); 190(76%) of them being females (p<0.0001). Comorbidities, age and increased elevated body mass index were significantly associated with fibromyalgia. Severity was not influenced by comorbidities, marital status, education or economic status (p>0.05). Menarche at a later age and menstrual irregularity were associated with fibromyalgia severity (p<0.05).
Conclusions: The hospital-based prevalence of fibromyalgia was found to be high, especially among females.
Keywords: Fibromyalgia, Chronic widespread pain, Prevalence, Hospital setting, Pakistan..