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Table 1 Demographic and clinical characteristics of pneumonia-associated septic shock patients

From: Predicting in-hospital mortality in pneumonia-associated septic shock patients using a classification and regression tree: a nested cohort study

  Overall cohort
(n = 4222)
N Number (%) or mean (SD)
Demographics
 Age 4222 62 (17)
 Sex (male) 4222 2574 (61.0)
 Body mass index 2013 27 (8)
Microbiology characteristics
 Concomitant bloodstream infection 4222 876 (20.7)
 Empyema 4222 119 (2.8)
 Culture positive 4222 2652 (62.8)
 Gram positive 4222 1413 (33.5)
 Gram negative 4222 1073 (25.4)
 Fungal 4222 20 (0.8)
 Hospital-acquired infection 4222 1547 (36.6)
 Community-acquired infection 4222 2675 (63.4)
Organ failure/support
 APACHE 3995 26 (8)
 Organ failure day 1 4222 3.8 (1.5)
 Mechanical ventilation 4222 3760 (89.1)
Biochemistry (admission)
 WBC 4031 16.3 (15.7)
 Platelets 4046 206 (136)
 Sodium 2488 137.2 (7.1)
 Creatinine 3829 189.9 (164.6)
 Lactate 2804 4.1 (3.9)
 INR 3695 1.7 (1.3)
 Bilirubin 3544 29.9 (64.6)
 Albumin 1506 22.7 (6.5)
 Immunocompromised 4222 561 (13.3)
 Time delay from shock to appropriate antimicrobials (hours) 3048 10.9 (18.6)
 Primary outcome: in-hospital mortality 4222 2141 (50.7)