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Table 1 Patient characteristics and radiological findings

From: Decreasing skeletal muscle as a risk factor for mortality in elderly patients with sepsis: a retrospective cohort study

  All patients Group P value
Survival Deceased
Number of patients 150 92 58  
Location of death
 ICU    44  
 After transferred to general floor   14  
Age (years) 75 [68, 82] 74 [67, 81] 77 [71, 83] 0.13
Sex, men (%) 103 (69) 63 (69) 40 (69) 0.99
GCS 14 [9, 15] 14 [10, 15] 12 [7, 15] 0.21
Lactate on admission (mmol/L) 4.2 [2.3, 7.2] 3.9 [1.8, 6.3] 5.9 [2.4, 8.9] 0.053
Infection source (%)     0.33
 Lung 45 (30) 23 (25) 22 (38)  
 Urinary tract 32 (21) 24 (26) 8 (14)  
 Peritonitis/abscess 16 (11) 8 (9) 8 (14)  
 Perforated viscus 15 (10) 10 (11) 5 (9)  
 Cholecystitis/cholangitis 10 (7) 8 (9) 2 (3)  
 Unknown 9 (6) 4 (4) 5 (9)  
 NecFas/decubitus ulcer 8 (5) 5 (5) 3 (5)  
 Ischemic bowel 5 (3) 3 (3) 2 (3)  
 Colitis 5 (3) 4 (4) 1 (2)  
 Blood stream infection 3 (1) 1 (1) 2 (3)  
 Bone/joint 1 (1) 1 (1) 0 (0)  
 CNS 1 (1) 1 (1) 0 (0)  
SOFA score 9 [7, 12] 8 [7, 11] 10 [8, 12] 0.004
APACHE II score 24 [19, 30] 23 [18, 27] 26 [22, 34] 0.002
Body weight (kg) 54 [48, 60] 54 [48, 61] 54 [48, 58] 0.42
Skeletal muscle area (cm2) 41.6 [34.0, 48.1] 43.3 [36.5, 50.9] 36.8 [30.1, 43.2] <0.001
Muscle attenuation (HU) 32.6 [24.1, 39.9] 33.2 [24.2, 40.0] 31.0 [23.6, 39.8] 0.38
LOS in ICU 8 [4, 15] 9 [6, 15] 5 [2, 14]  
LOS in hospital 27 [7, 51] 40 [18, 62] 8 [3, 25]  
  1. ICU intensive care unit, GCS Glasgow coma scale, NecFas necrotizing fasciitis, CNS central nervous system, SOFA Sepsis-related Organ Failure Assessment, APACHE II second version of the acute physiology and chronic health evaluation, HU Hounsfield unit, LOS length of stay