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Table 5 Comparison of worldwide prevalence of stroke over the last 20 years

From: The burden of stroke and transient ischemic attack in Pakistan: a community-based prevalence study

Author Method of Diagnosis of Stroke Study Method Sample Population Year Important Findings
Bharucha et al[24] Clinical diagnosis by a neurologist Population-based door-to-door survey India, Bombay (n = 14 010) 1988 Crude prevalence was 842 per 100 000 population; age-specific rates were higher in men
Mittelmark et al[25] Self-reported history plus medical record confirmation Population based longitudinal study Four regions, USA (n = 5,201) 1989-90 Crude prevalence rate was 246 per 100,000a
Bots et al[26] Self-reported history plus medical record confirmation Population-based, cohort Rotterdam, Netherlands (n = 7983) 1990-93 A total of 352 individuals out of 7983 were reported to have a stroke, while an additional 285 were reported with clinical data. This represents a crude prevalence rate of 7979 per 100,000a
Geddes et al[27] Self-reported stroke questionnaire through postal service Population based, point prevalence study Yorkshire, UK (n = 18,827) 1991 Crude prevalence rate was 4680 per 100,000, with males having a higher prevalence
Bonita et al[28] Clinical diagnosis using WHO definition Retrospective analysis of hospital, clinical and autopsy record Auckland, New Zealand (n = 854000 and 945 000)b 1991-92 Age-adjusted rate was 833 per 100, 000
Prencipe et al[29] Self-reported history followed by neurological examination Community-based, door-to-door survey L'Aquila, Italy (n = 1032) 1992 Crude prevalence rate was 7300 per 100,000. Prevalence of stroke was higher in men and increased with age in both sexes
O'Mahony et al[30] Screening questionnaire followed by clinical confirmation using WHO criteria Population based, point prevalence study Newcastle, UK (n = 2000) 1993 Crude prevalence rate was 4740 per 100,000, while age adjusted rates were 1750 per 100,000. Prevalence increased proportionately in older age groups
Huang et al[31] unclear Population-based, Cross sectional?? Taiwan, China (n = 11, 925) 1994 Crude prevalence rate was 595 per 100,000
Nicoletti et al[32] WHO Stroke screening instrument Population based door-to-door survey Cordillera, Bolivia (n = 9955) 1994 Crude prevalence rate was 663 per 100,000 for those >/= 35 years. Prevalence in men was 2× greater than women
Banergee et al[33] Clinical diagnosis by a neurologist or CT imaging Population-based cluster survey India, Calcutta (n = 50 291) 1998-1999 Crude prevalence was 147 and age-adjusted rate was 334 per 100 000 population; females had higher prevalence in all age groups
Anand et al[34] Self-reported history or clinical diagnosis by physician Population-based cross-sectional Canada (n = 985) 2000 Crude prevalence rates were similar among ethnic groups: South Asians: 300, European whites: 1800, and Chinese: 600 per 100 000 population
AASAP[35] Unclear Based on national health records of individual country Nine Asian countries (Pakistan was not part of this study) 2000 Crude prevalence in India ranges from 90-222 per 100 000; Thailand and Taiwan had higher reported prevalence rates (690 and 1430) per 100 000
Jafar et al[4] Self-reported history Community survey and target sampling Pakistan (n = 500) 2001 Crude prevalence was 4800 per 100 000
Venketa-subramanium et al[36] Clinical diagnosis using WHO definition Population-based, cross-sectional Singapore (n = 15 606) 2001-2003 Crude as well as age-standardized rates were similar among ethnic groups (SA: 362, Malays: 332, Chinese: 376) per 100 000 population
Department of Health Survey for England[37] Clinical diagnosis using WHO definition Population-based door-to-door health survey Stratified proportionate sample from general population 2005 Crude prevalence in South Asians (Indian: 1100, Pakistani: 1800, Bangladeshi: 1800) were lower than European Whites (2400) per 100 000 population
This Study - Kamal et al Self-reported history based on SSQ followed by neurological examination Community-based following census Karachi, Pakistan (n = 545) 2008-2009 Crude prevalence was determined to be 19000 per 100,000. Women found to have a higher prevalence of stroke and at an earlier age than men.
  1. WHO: World Health Organization
  2. SA: South Asian
  3. SSQ: Stroke Symptom Questionnaire
  4. a Calculated using information from the publication cited
  5. btwo separate studies done ten years apart