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Table 2 Comparison of daily mean number of visits/hospitalisations ('on' and 'off alert') 49 ED, France, 2006

From: Syndromic surveillance and heat wave morbidity: a pilot study based on emergency departments in France

Number of/Period

ONAP1

OFAP2

p

Patient Visit

4557.7

4511.2

NS

Hospitalized Patient

1011.6

994.6

NS

Malaise

137.2

102.9

< 0.001

Hyperthermia

7.1

1.7

< 0.001

Hyponatremia

11

3.9

< 0.001

Dehydration

12.6

4.3

< 0.001

Hypoglycemia

7.3

7.7

NS

Urinary Infection

34.6

35.2

NS

Renal Colic

39.1

34.9

< 0.05

Diseases of the respiratory system (except asthma)

162.4

165.6

NS

Asthma

31.9

31.7

NS

Diseases of the circulatory system

104.9

109.5

NS

Cerebrovascular disease

21.0

21.6

NS

Renal failure

6.9

5.1

0.05

Deaths in ED

4

3.5

NS

  1. 1: ONAP = 'On Alert' Period; 2: OFAP = 'Off Alert' Period.