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Table 2 Aged-standardized admissions ratio* (and 95% confidence interval) of Windsor and Sarnia compared to London.

From: Impact of air pollution on hospital admissions in Southwestern Ontario, Canada: Generating hypotheses in sentinel high-exposure places

Windsor All Admissions
   1996 1997 1998 1999 2000
  Male 1.49 (1.45, 1.54) 1.53 (1.48, 1.57) 1.57 (1.52, 1.61) 1.46 (1.42, 1.50) 1.38 1.34, 1.42)
  Female 1.63 (1.59, 1.68) 1.64 (1.59, 1.69) 1.74 (1.69, 1.79) 1.63 1.58, 1.68) 1.64 (1.59, 1.69)
Sarnia Male 1.71 (1.60, 1.76) 1.73 (1.65, 1.81) 1.73 (1.65, 1.81) 1.47 (1.40, 1.54) 1.61 (1.53, 1.69)
  Female 1.90 (1.87, 2.05) 1.86 (1.77, 1.95) 1.94 (1.84, 2.03) 1.76 (1.67, 1.85) 1.82 (1.73, 1.91)
All Cardiovascular Admissions
   1996 1997 1998 1999 2000
Windsor Male 1.37 (1.30, 1.44) 1.51 (1.44, 1.59) 1.50 (1.42, 1.57) 1.36 (1.29, 1.43) 1.44 (1.37, 1.52)
  Female 1.67 (1.58, 1.76) 1.71 (1.62, 1.80) 1.88 (1.78, 1.99) 1.79 (1.64, 1.83) 1.85 (1.76, 1.95)
Sarnia Male 1.78 (1.65, 1.92) 1.85 (1.71, 2.00) 2.01 (1.86, 2.16) 1.58 (1.45, 1.70) 1.91 (1.77, 2.06)
  Female 2.33 (2.15, 2.52) 2.16 (1.99, 2.34) 2.28 (2.10, 2.48) 2.18 (2.00, 2.37) 2.34 (2.15, 2.53)
All Respiratory Admissions
   1996 1997 1998 1999 2000
Windsor Male 2.19 (2.05, 2.35) 1.98 (1.85, 2.13) 1.96 (1.83, 2.10) 2.05 (1.92, 2.20) 1.63 (1.50, 1.76)
  Female 2.10 (1.95, 2.25) 1.84 (1.71, 1.99) 1.92 (1.79, 2.06) 1.87 (1.74, 2.00) 1.31 (1.21, 1.41)
Sarnia Male 2.83 (2.54, 3.14) 2.29 (2.03, 2.57) 2.15 (1.91, 2.42) 2.19 (1.95, 2.47) 1.94 (1.70, 2.19)
  Female 3.11 (2.80, 3.44) 2.60 (2.31, 2.92) 2.27 (2.02, 2.55) 1.69 (1.48, 1.92) 2.02 (1.77, 2.30)
  1. * SAR= observed admissions/expected admissions calculated from age-specific rates of London