Skip to main content

Table 1 Patient background and outcome data

From: Mortality and physical status at hospital discharge in Japanese elderly critically ill patients: a single-center retrospective study

  Group A Group B p value
(< 74 years) (N = 118) (≥ 75 years) (N = 102)
Age, years 65 [55, 69] 80 [77, 84] < 0.0001*
Gender (female), N (%) 42 (36) 41 (40) 0.48
Height, cm 162 ± 9 156 ± 9 < 0.0001*
Weight, kg 56 [48, 64] 51 [46, 57] 0.0008*
Body mass index, kg/m2 21.4 [18.8, 24.5] 21.3 [18.8, 23.5] 0.61
Reason of ICU admission
 Non-surgical, N (%) 31 (26) 42 (41) 0.02*
 Surgical, N (%) 87 (74) 60 (59)
Physical status before ICU admission    0.47
 Good physical status, N (%) 96 (82) 79 (77)  
 Poor physical status, N (%) 22 (18) 22 (23)  
Residence before hospitalization (home), N (%) 115 (97) 96 (94) 0.21
Comorbidity at hospitalization
 Hypertension, N (%) 56 (47) 62 (61) 0.048*
 Diabetes mellitus, N (%) 37 (31) 23 (23) 0.14
 Heart disease, N (%) 30 (25) 52 (51) < 0.0001*
 Cerebral stroke, N (%) 20 (17) 31 (30) 0.02*
 Cancer, N (%) 53 (45) 24 (24) 0.009*
Acute kidney injury, N (%) 24 (20) 29 (28) 0.16
APACHE II 18 [13, 25] 23 [17, 33] < 0.0001*
SOFA 6 ± 3 6 ± 3 0.20
Use of catecholamine on ICU admission day, N (%) 83 (70) 68 (67) 0.56
Use of renal replacement therapy, N (%) 24 (20) 22 (22) 0.82
Duration of ventilation days 3 [2, 5] 4 [2, 8] 0.03*
Length of ICU stay days 5 [4, 9] 7 [4, 10] 0.09
Length of hospital stay days 36 [23, 55] 39 [24, 58] 0.24
Hospital mortality, N (%) 23 (19) 26 (25) 0.29
 Non-surgical, N (%) 16 (52) 18 (43) 0.46
 Surgical, N (%) 7 (8) 8 (13) 0.30
Good physical status at hospital discharge, N (%) 86 (91) 56 (74) 0.004*
Discharge to home, N (%) 68 (72) 28 (37) < 0.0001*
  1. Mean ± standard deviation, median [interquartile range]
  2. ICU intensive care unit, APACHE II Acute Physiology and Chronic Health Evaluation II, SOFA Sequential Organ Failure Assessment
  3. *p <0.05