Skip to main content

Table 3 Risk estimates for daily hospital admissions

From: Impact of two recent extreme heat episodes on morbidity and mortality in Adelaide, South Australia: a case-series analysis

Age groups
Hospital admission categories All ages 0-4 5-14 15-64 65-74 75+
Previous heatwaves
Total 1.04 0.96-1.12 0.99 0.97-1.01 0.99 0.90-1.09 1.05 0.96-1.14 1.05 0.96-1.14 1.31 0.96-1.11
Ischaemic 0.99 0.93-1.05    1.01 0.92-1.12 1.05 0.97-1.13 0.91 0.85-0.97
Respiratory 0.95 0.88-1.03 0.88 0.79-0.98 1.00 0.89-1.13 0.99 0.89-1.11 0.94 0.88-1.01 0.89 0.83-0.95
Mental health 1.05 1.00-1.10 1.48 0.99-2.21 1.03 0.81-1.32 1.04 0.99-1.09 1.12 1.01-1.24 1.10 1.01-1.19
Renal 1.10 1.01-1.20 1.02 0.83-1.26 0.86 0.66-1.14 1.13 1.03-1.25 1.05 0.90-1.23 1.07 0.98-1.18
Direct heat 3.12 2.51-3.87 2.13 1.27-3.57 2.00 0.95-4.24 2.59 2.01-3.33 3.05 2.06-4.54 3.65 2.92-4.57
Heatwave in 2008
Total 1.06 0.84-1.34 0.99 0.83-1.18 0.98 0.73-1.32 1.05 0.80-1.36 1.06 0.82-1.36 1.11 0.90-1.37
Ischaemic 1.03 0.84-1.25    0.97 0.71-1.33 1.17 0.91-1.49 0.99 0.82-1.19
Respiratory 0.98 0.77-1.24 0.83 0.59-1.2 1.02 0.71-1.47 1.06 0.77-1.45 0.91 0.72-1.13 0.96 0.80-1.15
Mental health 0.98 0.84-1.14   1.64 0.70-3.87 0.97 0.83-1.12 0.87 0.62-1.22 1.10 0.85-1.41
Renal 1.11 0.85-1.40 1.12 0.60-2.08 2.64 1.47-4.73 1.00 0.73-1.38 1.07 0.68-1.69 1.23 1.03-1.47
Direct heat 2.62 1.32-5.20    2.53 1.22-5.25 1.99 0.53-7.48 3.05 1.54-6.06
Heatwave in 2009
Total 1.08 0.84-1.39 1.05 0.82-1.26 0.80 0.56-1.13 1.08 0.82-1.42 1.08 0.83-1.40 1.14 0.91-1.42
Ischaemic 1.09 0.88-1.33    1.33 0.99-1.80 0.91 0.91-1.49 0.98 0.79-1.20
Respiratory 0.95 0.73-1.22 1.03 0.74-1.42 0.65 0.41-1.04 0.10 0.71-1.41 0.82 0.64-1.05 0.98 0.84-1.14
Mental health 1.03 0.88-1.20   0.84 0.34-2.09 1.03 0.89-1.21 1.03 0.74-1.42 1.05 0.80-1.36
Renal 1.24 0.95-1.62 1.16 0.67-2.00 0.71 0.29-1.74 1.09 0.79-1.51 1.38 0.89-2.14 1.48 1.15-1.88
Direct heat 13.66 8.89-20.98    11.53 7.18-18.53 7.06 3.05-16.30 19.23 12.44-29.70
  1. Incidence rate ratios and 95% confidence intervals (CI) of the effects of previous heatwaves, the 2008 and the 2009 heatwave by age groups and health-specific effects. Empty cells indicate insufficient data to produce reliable estimates.