Table 5 Average daily emergency department presentations and relative risks by illness characteristics, December to February 2000 to 2012
From: The impact of heatwaves on emergency department visits in Brisbane, Australia: a time series study
Heatwave day ≥34°C | Heatwave day ≥37°C | |||||||
|---|---|---|---|---|---|---|---|---|
Non-hot | Single hot | Heatwave | RR* | Non-hot | Single hot | Heatwave | RR* | |
Acuity (triage) | ||||||||
High (1 to 2) | 0.04 | 0.16 | 0.63 | 4.69 | 0.04 | 0.50 | 3.80 | 81.72 |
95% CI | (0.03, 0.06) | (−0.01, 0.33) | (−0.23, 1.49) | (2.30, 9.57) | (0.03, 0.06) | (−0.48, 1.48) | (−0.73, 8.33) | (21.54, 310.01) |
Moderate (3) | 0.28 | 0.89 | 1.83 | 4.89 | 0.31 | 1.50 | 5.20 | 17.21 |
95% CI | (0.24, 0.32) | (0.26, 1.53) | (0.9, 2.77) | (3.47, 6.89) | (0.27, 0.35) | (−1.44, 4.44) | (1.21, 9.19) | (9.37, 31.62) |
Low (4 to 5) | 0.14 | 0.74 | 1.37 | 4.84 | 0.16 | 2.50 | 3.60 | 9.95 |
95% CI | (0.11, 0.16) | (0.27, 1.21) | (0.62, 2.12) | (3.16, 7.42) | (0.13, 0.19) | (−0.44, 5.44) | (0.01, 7.19) | (5.19, 19.08) |
Departure status | ||||||||
Admitted | 0.09 | 0.42 | 1.33 | 5.16 | 0.10 | 2.00 | 5.80 | 31.31 |
95% CI | (0.07, 0.11) | (−0.01, 0.85) | (−0.04, 2.71) | (3.24, 8.21) | (0.08, 0.12) | (−1.92, 5.92) | (−1.72, 13.32) | (15.23, 64.37) |
Discharged | 0.34 | 1.26 | 2.03 | 4.87 | 0.38 | 2.50 | 4.80 | 14.69 |
95% CI | (0.3, 0.39) | (0.5, 2.03) | (0.82, 3.24) | (3.51, 6.77) | (0.33, 0.43) | (−2.4, 7.4) | (−1.09, 10.69) | (8.22, 26.24) |
Length of stay (hh:mm) | F -test ( P ) | F -test ( P ) | ||||||
Mean | 3:47 | 3:20 | 4:45 | 5.27 | 3:45 | 2:26 | 5:53 | 15.60 |
Minimum | 0:08 | 0:44 | 0:21 | (0.005) | 0:08 | 0:44 | 1:18 | (0.000) |
Maximum | 24:42 | 8:34 | 20:55 | 24:42 | 4:17 | 20:54 | ||
SD | 2:54 | 1:43 | 3:53 | 2:48 | 0:59 | 4:33 | ||