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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.