Prevalence of stroke in Pakistan: Findings from Khyber Pakhtunkhwa integrated population health survey (KP-IPHS) 2016-17

Akhtar Sherin, Zia Ul-Haq, Sheraz Fazid, Basharat Hussain Shah, Maria Ishaq Khattak, Fazal Nabi, Akhtar Sherin, Zia Ul-Haq, Sheraz Fazid, Basharat Hussain Shah, Maria Ishaq Khattak, Fazal Nabi

Abstract

Objective: To study the prevalence of stroke and associated risk factors in Khyber Pakhtunkhwa (KP) province of Pakistan.

Methods: This study was a part of cross-sectional KP Integrated Population Health Survey 2016-17 conducted on population aging ≥18 years at 24 districts of KP. Primary (n=1061) and secondary sampling units (n=15724) were developed, based on urban/rural and socio-economic status. Each primary-unit comprised of 250-300 households. Sample was selected through a multi-staged stratified systematic cluster sampling technique by taking every 16th household per rural and every 12th household per urban-unit. A validated "Cincinnati Stroke Scale" for identification of stroke patients in community was used along with demographics and potential risk factors.

Results: Among the 15724 randomly selected households, 22500 participants (51.4% females; 74.6% rural areas, mean age 42±12.6 years) were interviewed. Stroke was identified in 271 cases (137 males, 134 females; Mean age=43.39±0.85 years) and prevalence of stroke was 1.2% (1200 per 100,000 population). Obesity/overweight (38.8%), hypertension (21.8%), smoking (6.6%) and known diabetes mellitus (5.9%) were the common associated risk factors of stroke. Age groups >60 years (adjusted OR=1.68; 95% CI: 1.05-2.68); urban area (adjusted OR=1.68; 95% CI: 1.29-2.19); unemployment (adjusted OR=3.78; 95% CI: 2.49-5.73) and lower formal (primary) education (adjusted OR 2.18; 95% CI: 1.30-3.64) were significantly associated with stroke (p <0.05).

Conclusion: Prevalence of stroke is 1.2% in the province of KP. Obesity, hypertension, smoking and Diabetes Mellitus are the common associated risk factors of stroke. Higher age, urban area, unemployment and lower formal education are significantly associated with stroke.

Keywords: Diabetes Mellitus; Dyslipidemias; Hypertension; KP-IPHS; Obesity; Pakistan; Prevalence; Risk factors; Smoking; Stroke.

Conflict of interest statement

Conflict of Interest: None.

Copyright: © Pakistan Journal of Medical Sciences.

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