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Table 2 Distribution of daily ERAs for acute respiratory diseases according to several characteristics

From: How air pollution influences clinical management of respiratory diseases. A case-crossover study in Milan

Variable

Asthma

URTI

Pneumonia

COPD exacerbation

Total

Age class

 0-4

821

17971

832

-

19624

 5-19

601

7660

513

-

8774

 20-34

718

2901

384

-

4003

 35-54

899

2552

760

108

4319

 55-65

172

744

442

185

1543

 65-74

161

1054

763

437

2415

 75+

197

1805

1995

1095

5092

Gender

 Males

1918

18784

3125

1033

24860

 Females

1651

15903

2564

792

20910

Race

 Black

312

1401

136

30

1879

 Asian

134

967

110

4

1215

 Caucasian

2377

29617

4963

1635

38592

 Hispanic

222

1570

145

4

1941

 Unknown

524

1132

335

152

2143

Hospitalization

 No

2978

31923

1801

499

37201

 Yes

591

2764

3888

1326

8569

Year

 2007

1936

17212

2917

960

23025

 2008

1633

17475

2772

865

22745

Season

 Warm

2049

12908

2087

666

17710

 Cool

1520

21779

3602

1159

28060

Total

3569

34687

5689

1825

45770