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Table 3 ED presentations by non-hot, single hot and heatwave days, December to February 2000 to 2012

From: The impact of heatwaves on emergency department visits in Brisbane, Australia: a time series study

 

HWD1

HWD2

 
 

Non-hot

Single hot

Heatwave

Non-hot

Single hot

Heatwave

Total

Number of days

1,034

19

30

1,076

2

5

1,083

Presentations

479

34

115

556

9

63

628

Average/day

0.46

1.79

3.83

0.52

4.50

12.60

0.58

(95% CI)

(0.41, 0.52)

(0.95, 2.63)

(1.47, 6.20)

(0.48, 0.56)

(3.52, 5.48)

(1.06, 24.14)

(0.49, 0.67)

RR* (95% CI)

4.98 (3.88, 6.38)

18.53 (12.05, 28.49)

 
  1. *Relative risk, heatwave days versus non-heatwave days (non-hot + single hot), controlled for relative humidity, particulate matter with <10 micrometers in aerodynamic diameter, ozone, nitrogen dioxide, day of week and long-term trends.