Table 1 Population characteristics.

From: Association between autonomic control indexes and mortality in subjects admitted to intensive care unit

Variable

SURV (n = 83)

NonSURV (n = 40)

Age, years

64.1 (50.5–70.4)

62.8 (49.7–74.0)

Gender, male/female

52/31 (62.7/37.3)

30/10 (75.0/25.0)

BMI, kg·m−2

25.5 (23.5–27.8)

24.1 (21.9–27.3)

Ventilatory support, yes/no

68/15 (81.9/18.1)

37/3 (92.5/7.5)

Administration of catecholamines, yes/no

40/43 (48.2/51.8)

23/17 (57.5/42.5)

Sedation, yes/no

55/28 (66.3/33.7)

28/12 (70.0/30.0)

Septic shock, yes/no

15/68 (18.1/81.9)*

14/26 (35.0/65.0)

SOFA score

7.0 (6.0–10.0)*

11.0 (7.0–13.0)

SAPS II

39.0 (32.0–49.0)*

48.0 (36.0–55.5)

RASS score

–4.0 (−5.0 - –1.0)

–4.0 (−5.0 - –3.0)

LOS ICU, days

8.0 (5.0–13.0)

9.0 (6.0–18.0)

Intra-ICU mortality, yes/no

0/83 (0/100)*

28/12 (70.0/30.0)

  1. ICU = intensive care unit; SURV = patient who survived; NonSURV = patient who did not survived; BMI = body mass index; SOFA = sepsi-related organ failure assessment; SAPS II = simplified acute physiology score; RASS = Richmond agitation-sedation scale; LOS = length of stay. Categorical variables are presented as count (percentage). Continuous variables are presented as median (first – third quartiles). The symbol *indicates a significant difference with p < 0.05 using χ2 for categorical variables and Mann-Whitney rank sum test for continuous variables.
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