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Table 2 Relative risk and predicted excess counts and rates based on the model with the most appropriate lag for each outcome

From: Emergency department visits, ambulance calls, and mortality associated with an exceptional heat wave in Sydney, Australia, 2011: a time-series analysis

  Relative Risk (95% CI) Predicted excess count (95% CI) Predicted excess rate per 100,000 population (95% CI)
All-cause ED visits*    
All ages 1.02 (1.01-1.03) 595 (221-973) 11.5 (4.37-18.8)
< 75 years 1.01 (1.00-1.02) 336 (-9-685) 6.9 (-0.9-14.1)
≥75 years 1.08 (1.04-1.11) 322 (186-462) 100.0 (57.8-143.5)
All-cause ambulance calls (Sydney only)^    
All ages 1.14 (1.11-1.16) 1033 (845-1225) 24.4 (19.9-28.9)
< 75 years 1.10 (1.07-1.13) 514 (364-668) 12.9 (9.1-16.7)
≥75 years 1.17 (1.12-1.23) 323 (229-421) 135.8 (96.3-177.1)
All-cause deaths†    
All ages 1.13 (1.06-1.22) 96 (40-157) 1.9 (0.8-3.0)
< 75 years 1.16 (1.02-1.30) 38 (6-75) 0.8 (0.1-1.5)
≥75 years 1.12 (1.03-1.23) 58 (13-107) 18.0 (4.0-33.2)
  1. *Lag of 3 days; ^Lag of 1 day; No lag