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Table 1 General characteristics of the population (n = 240939)

From: Epidemiology and recent trends of severe sepsis in Spain: a nationwide population-based analysis (2006-2011)

Characteristic

Number of cases, (%)

Sex

 

Men

140202 (58.2)

Women

100728 (41.8)

Mean age (yr)

65.5 ± 0.05

Age-group

 

<18 y

18093 (7.5)

18-64 y

64764 (26.9)

>64 y

158082 (65.6)

Charlson index

 

0 points

78665 (32.7)

1-2 points

100530 (41.7)

3-4 points

37901 (15.7)

>4 points

23843 (9.9)

Comorbidities a

 

Cancer (non-metastatic)

41180 (17.1)

Chronic heart failure

34293 (14.2)

Chronic Obstructive Pulmonary Disease

32191 (13.4)

Chronic renal disease

32206 (13.4)

Cerebrovascular disease

20033 (8.3)

Cancer (metastatic)

14313 (5.9)

Acute myocardial infarction

9412 (3.9

Chronic liver disease

8449 (3.5)

Diabetes with complications

6179 (2.6)

Peripheral vascular disease

5143 (2.2)

AIDS

2936 (2.1)

Diagnostic categories

 

Medical

178619 (74.1)

Surgical

62320 (25.9)

Identified pathogens a

 

Yes

61944 (25.7)

Gram-positive

22889 (37)

Gram-negative

37162 (60)

Anaerobic

988 (1.6)

Fungus

4566 (7.4)

No. of organ system dysfunctions

 

1

128940 (53.5)

2

62874 (26.1)

≥3

49125 (20.4)

Organ system dysfunction a

 

Respiratory

121496 (50.5)

Cardiovascular

107872 (44.7)

Renal

97699 (40.5)

Hematologic

28382 (11.8)

Hepatic

12586 (5.2)

Metabolic

20049 (8.3)

Neurologic

26449 (11)

Mean length of hospital stay (days)

23 ± 0.06

In-hospital deaths

104461 (43)

  1. Data presented as number of cases and %. aProportions not mutually exclusive.