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Table 1 Characteristics of non-survivors and survivors

From: Age moderates the relationships between obesity, glucose variability, and intensive care unit mortality: a retrospective cohort study

 

All

(N = 1062)

Survivors

(n = 751)

Non-survivors

(n = 311)

p value

Effect size

Age

63.08 (14.28)

61.62 (13.74)

66.61 (14.96)

 < 0.001***

d = 0.35

Sex (female)

424 (39.92%)

309 (41.15%)

115 (36.98%)

0.207

Φ = 0.04

BMI (kg/m2)

22.92 (4.23)

23.18 (4.11)

22.29 (4.44)

0.002**

d = 0.21

 Underweight (BMI < 18.5)

146 (13.75%)

83 (11.05%)

63 (20.26%)

 < 0.001***

Φ = 0.14

 Normal weight (BMI 18.5–23.99)

520 (48.96%)

364 (48.47%)

156 (50.16%)

 Overweight (BMI 24–27.99)

282 (26.55%)

220 (29.29%)

62 (19.94%)

 Obese (BMI ≥ 28)

114 (10.73%)

84 (11.19%)

30 (9.65%)

Reason for ICU admission

     

 Gastrointestinal causes

344 (32.39%)

270 (35.95%)

74 (23.79%)

 < 0.001***

Φ = 0.23

 Cardiovascular causes

246 (23.16%)

199 (26.50%)

47 (15.11%)

 Neurological causes

195 (18.36%)

128 (17.04%)

67 (21.54%)

 Respiratory causes

111 (10.45%)

56 (7.46%)

55 (17.68%)

 Other causes

166 (15.63%)

98 (13.05%)

68 (21.86%)

APACHE II (first 24 h)

17.46 (8.24)

15.51 (7.08)

22.17 (8.93)

 < 0.001***

d = 0.87

ICU stay length (days)

13.18 (28.54)

8.82 (14.88)

23.72 (45.76)

 < 0.001***

d = 0.54

Triglyceride (mmol/L)

1.58 (2.98)

1.63 (3.41)

1.45 (1.49)

0.377

d = 0.06

Total cholesterol (mmol/L)

3.78 (1.53)

3.85 (1.48)

3.61 (1.62)

0.020*

d = 0.16

HDL (mmol/L)

0.87 (0.41)

0.88 (0.39)

0.83 (0.45)

0.074

d = 0.12

LDL (mmol/L)

2.10 (1.04)

2.15 (0.99)

1.97 (1.15)

0.009**

d = 0.18

Mean glucose (mmol/L)

10.16 (2.00)

10.19 (1.98)

10.09 (2.05)

0.471

d = 0.05

Blood glucose variability (standard deviation; mmol/L)

2.60 (1.18)

2.54 (1.17)

2.74 (1.19)

0.010*

d = 0.17

Hypoglycemia

142 (13.37%)

68 (9.05%)

74 (23.79%)

 < 0.001***

Φ = 0.20

Diabetes mellitus

396 (37.29%)

293 (39.01%)

103 (33.12%)

0.071

Φ = 0.06

Hypertension

513 (48.31%)

355 (47.27%)

158 (50.80%)

0.303

Φ = 0.03

Hypertriglyceridemia

256 (24.11%)

190 (25.30%)

66 (21.22%)

0.256

Φ = 0.04

Hypercholesterolemia

148 (13.94%)

107 (14.25%)

41 (13.18%)

0.786

Φ = 0.01

Mechanical ventilation

772 (72.69%)

500 (66.58%)

272 (87.46%)

 < 0.001***

Φ = 0.21

Dialysis

12 (1.13%)

10 (1.33%)

2 (0.64%)

0.333

Φ = 0.03

CRRT

193 (18.17%)

70 (9.32%)

123 (39.35%)

 < 0.001***

Φ = 0.36

Corticosteroids

331 (31.17%)

171 (22.77%)

160 (51.45%)

 < 0.001***

Φ = 0.28

Vasopressors

451 (42.47%)

234 (31.16%)

217 (69.77%)

 < 0.001***

Φ = 0.36

  1. Data presented as mean (standard deviation) or n (%). Effect sizes are Cohen’s d (for independent-sample t tests) or Φ (for Chi-square tests)
  2. APACHE II Acute Physiology and Chronic Health Evaluation II; BMI body mass index; CRRT continuous renal replacement therapy; HDL high density lipoprotein; ICU intensive care unit; LDL low density lipoprotein
  3. *p < 0.05, ** p < 0.01, *** p < 0.001