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Table 1 Incidence rates and 95% confidence intervals (CIs) of heat stroke emergency department visits by patient characteristics, National Emergency Department Sample, United States, 2009 and 2010

From: Emergency Department Visits for Heat Stroke in the United States, 2009 and 2010

Patient characteristics

Number of patients with heat stroke (weighted)

Incidence per 100000 population

95% CI

Total population

8251

1.34

1.23-1.45

Age(yr)

   

         0-19

801

0.48

0.40-0.56

         20-29

987

1.15

0.93-1.37

         30-39

927

1.15

0.97-1.34

         40-49

1281

1.47

1.26-1.67

         50-59

1342

1.62

1.35-1.89

         60-69

1118

1.97

1.61-2.32

         70-79

785

2.38

1.98-2.79

         80+

1010

4.45

3.73-5.18

Sex

   

         Male

6022

1.99

1.81-2.16

         Female

2219

0.71

0.63-0.79

Region of hospital

   

         Northeast

890

0.80

0.65-0.96

         Midwest

1555

1.16

0.97-1.35

         South

3675

1.61

1.43-1.79

         West

2132

1.49

1.19-1.78

Patient location

   

         Metropolitan

6303

1.19

1.08-1.30

         Micropolitan

953

1.55

1.24-1.87

Year of visita

   

         2009

3294

1.07

0.94-1.21

         2010

4957

1.61

1.43-1.78

  1. Note. Year of visit was defined as discharge year. There were 5 missing values for sex.