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Table 2 Demographic and clinical characteristics of the study subjects

From: Genetic variation in the TNF receptor-associated factor 6 gene is associated with susceptibility to sepsis-induced acute lung injury

Characteristic Sepsis alone patients Sepsis-induced ALI patients P Value
Total no. 276 272 N.A
Patient age 63.3 ± 13.8 64.1 ± 12.5 0.65
Male patients 163 (59.1%) 167 (61.4%) 0.58
BMI 21.8 ± 5.4 22.1 ± 8.1 0.14
Smoker 115 (41.7%) 113 (41.5%) 0.98
Liver cirrhosis 7 (2.5%) 8 (2.9%) 0.80
Diabetes 37 (13.4%) 32 (11.8%) 0.56
30-d mortality 110 (39.9%) 142 (52.2%) 0.004
APACHE II score 14.7 ± 7.2 19.6 ± 3.4 <0.001
Organ failure 1.9 ± 0.2 3.1 ± 0.2 <0.001
Transfusion of PRBC 75 (27.2%) 105 (38.6%) 0.004
Number of PRBC transfused 1.2 1.6 0.012
Infection site    
Pulmonary source 158 (57.2%) 179 (65.8%) 0.039
Extrapulmonary source 118 (42.8%) 93 (34.2%) 0.039
  1. ALI, acute lung injury; N.A, not applicable; BMI, body mass index; APACHE II, acute physiology and chronic health evaluation; PRBC, packed red blood cells.