Table 1

General characteristics of study population according to initial clinical stage
Characteristics Infection without sepsis Sepsis Severe sepsis Shock
(n = 136) (n = 575) (n = 1576) (n = 394)
Age* 48.5 ± 20.4 49.3 ± 20.5 57.3 ± 20.1 57.2 ± 20.2
Male sex† 70 (51.5) 258 (44.9) 789 (50.1) 199 (50.5)
Community-acquired infection† 100 (73.5) 377 (65.6) 1120 (71.1) 249 (63.2)
Urinary tract infection† 42 (31.0) 120 (20.9) 369 (23.4) 40 (10)
Pneumonia† 9 (6.6) 101 (17.6) 417 (26.4) 116 (29.4)
Intra-abdominal infection† 4 (2.9) 27 (4.7) 161 (10.2) 65 (16.5)
Skin and soft tissues† 40 (29) 116 (20) 183 (11.6) 35 (8)
Trauma or surgery† 42 (30.9) 176 (30.6) 396 (25.1) 150 (38.1)
No comorbidities† 67 (49.3) 210 (36.5) 510 (32.4) 92 (23.4)
SOFA* 0.6 ± 0.8 1.2 ± 1.2 3.9 ± 2.4 8.0 ± 3.5
APACHE II* 4.4 ± 3.7 7.3 ± 4.9 12.4 ± 6.2 17.3 ± 6.7
Hospital stay‡ 5 (2 – 39) 8 (1 – 77) 10 (1 – 79) 12 (1 – 74)
28-day mortality† 3 (2.2) 47 (8.2) 276 (17.6) 172 (43.6)

* Mean and standard deviation †Absolute frequency and percentage ‡Median and interquartile range.

León et al.

León et al. BMC Infectious Diseases 2013 13:345   doi:10.1186/1471-2334-13-345

Open Data