| Titre : | Associations between ambient particulate sulfate and admissions to Ontario Hospitals for cardiac and respiratory diseases. (1995) |
| Auteurs : | R.T. BURNETT ; J.R. BROOK ; R. DALES ; T. DANN ; D. KREWSKI ; R. Vincent ; Health Canada. Health protection branch. Ottawa ON. CAN |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 142, n° 1, 1995) |
| Pagination : | 15-22 |
| Langues: | Anglais |
| Mots-clés : | Pollution atmosphérique ; Appareil circulatoire [pathologie] ; Appareil respiratoire [pathologie] ; Homme ; Epidémiologie ; Entrée ; Canada ; Amérique |
| Résumé : | [BDSP. Notice produite par INIST R0xb9CVZ. Diffusion soumise à autorisation]. The association of daily cardiac and respiratory admissions to 168 acute care hospitals in Ontario, Canada, with daily levels of particulate sulfates was examined over the 6-year period 1983-1988. Sulfate levels were recorded at nine monitoring stations in regions of southern and central Ontario spanned by three monitoring networks. A 13-mug/m3 increase in sulfates recorded on the day prior to admission (the 95th percentile) was associated with a 3.7% (p<0.0001) increase in respiratory admissions and a 2.8% (p<0.0001) increase in cardiac admissions. Increases were observed for all age groups examined. Admissions for cardiac diseases increased 2.5% for those under 65 years and 3.5% for those 65 years and older. After adjusting for ambient temperature and ozone, similar increases in respiratory admissions were observed in the period from April to September (3.2%) and in the period from October to March (2.8%). A 3.2% increase was observed for cardiac admissions in the period from April to September, and a 3.4% increase was observed in the period from October to March after adjusting for ambient temperature and ozone. Am J Epidemiol 1995 ; 142 : 15-22. |
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