Table 1.
Patient characteristics and radiological findings
| 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] | |
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