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Br J Ophthalmol 2000;84:990-992 doi:10.1136/bjo.84.9.990
  • Original Article
    • Clinical science

Rates of hospital admissions for primary angle closure glaucoma among Chinese, Malays, and Indians in Singapore

  1. Tien Yin Wonga,b,c,d,
  2. Paul J Fostera,e,
  3. Steve K L Seaha,
  4. Paul T K Chewa,b
  1. aSingapore National Eye Center, Singapore, bDepartment of Ophthalmology, National University of Singapore, cDepartment of Ophthalmology and Visual Sciences, University of Wisconsin-Madison, Wisconsin, USA, dDepartment of Epidemiology, Johns Hopkins University, Baltimore, Maryland, USA, eInstitute of Ophthalmology, University College London
  1. Tien Yin Wong, Department of Ophthalmology, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260tienyinwong{at}yahoo.com
  • Accepted 13 April 2000

Abstract

AIM To estimate the rates of hospital admissions for primary angle closure glaucoma (PACG) in Chinese, Malays, and Indians in Singapore

METHODS A population-wide hospital discharge database in Singapore was used to identify all hospital admissions with a primary discharge diagnosis of PACG (International Classification of Disease—CM code: 365.2). The Singapore census was used for denominator data.

RESULTS Between 1993 and 1997 there were 894 hospital admissions for PACG. The mean annual rate of PACG admissions was 11.1 per 100 000 (95% confidence interval (CI), 10.4, 11.8) among people aged 30 years and over. The annual rate was highest for Chinese (age and sex adjusted rate: 12.2 per 100 000), which was twice that of Malays (6.0 per 100 000) and Indians (6.3 per 100 000). Females had two times higher rates than males in all three races (age adjusted relative risk: 2.0, 95% CI: 1.7, 2.3).

CONCLUSION Malay and Indian people had identical rates of hospital admissions for PACG, which were only half the rates compared with Chinese.

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