Table 4

Heat wave disease syndromes (visits/proportion) by age group and period, 49 ED, France summer 2006

Less than 75 years old

At least 75 years old

ONAP¹

OFAP²

ONAP¹

OFAP²

HWDS³ ED Visits

HWDS³ ED Visits as a proportion of total ED Visits

HWDS³ ED Visits

HWDS³ ED Visits as a proportion of total ED Visits

HWDS³ ED Visits

HWDS³ ED Visits as a proportion of total ED Visits

HWDS³ ED Visits

HWDS³ ED Visits as a proportion of total ED Visits

Malaise

1,808

2.46%***

5,554

1.85%

661

7.70%***

2,062

6.24%

Hyperthermia

98

0.13%*

115

0.04%

31

0.35%***

10

0.03%

Hyponatremia

59

0.08% (NS)

99

0.03%

139

1.62%***

187

0.57%

Dehydration

67

0.09% (NS)

112

0.04%

161

1.88%***

207

0.63%

Renal Colic

684

0.94%*

2,527

0.84%

19

0.22%

(NS)

58

0.17%

Renal failure

59

0.08% (NS)

205

0.07%

57

0.66%*

170

0.51%

Total HWDS³

2,775

3.78%***

8,612

2.87%

1,068

12.43%***

2,694

8.15%

* p < 0.05 ** p < 0.01 *** p < 0.001.

1: ONAP, 'On Alert' Period; 2: OFAP, 'Off Alert' Period; 3: HWDS, Heat Wave Disease Syndromes

Josseran et al. BMC Medical Informatics and Decision Making 2009 9:14   doi:10.1186/1472-6947-9-14