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Table 1 Patient characteristics according to postoperative fasting time

From: Postoperative fasting is associated with longer ICU stay in oncologic patients undergoing elective surgery

Patient characteristics

Overall

n = 109

Fasting ≤ 24 h

n = 43

Fasting > 24 h

n = 66

P value

Age (years, mean ± standard deviation)

60.03 ± 15.2

58.81 ± 13.97

60.82 ± 16.09

0.478

Men (n; %)

57 (52.3)

25 (58.1)

32 (48.5)

0.429

Weight (kg; range)

73 (62–82.5)

73 (62–79)

73 (62–86)

0.91

BMI (kg/m2, mean ± standard deviation)

26.91 ± 5.7

26.76 ± 4.83

27.00 ± 6.2

0.831

SAPS3 (mean ± standard deviation)

43.6 ± 12.09

39.4 ± 9.42

46.48 ± 12.8

0.01

SOFA (n; range)

3 (1–6)

2 (1–4)

4 (1–7)

0.02

NUTRIC (n; range)

2 (2–4)

2 (1–3)

3 (2–4)

0.07

Malnutrition (n; %)

36 (38.3)

15 (39.51)

21 (37.5)

1.000

CC (cm; mean ± standard deviation)

35.6 ± 4.12

35.87 ± 3.4

35.55 ± 4.5

0.680

Charlson (n; range)

3 (2–6)

2 (2–6)

3 (2–6)

0.22

Ischemic heart disease (n; %)

11 (10.6)

5 (11.6)

6 (9.1)

0.75

Cardiac failure (n; %)

6 (5.5)

0 (0.0)

6 (9.1)

0.79

Diabetes (n; %)

21 (19.3)

8 (18.6)

13 (19.7)

1.00

Hypertension (n; %)

38 (34.9)

16 (37.2)

22 (33.3)

0.834

COPD (n; %)

9 (8.3)

2 (4.7)

7 (10.6)

0.478

Smoking (n; %)

26 (23.9)

11 (25.6)

15 (22.7)

0.911

Alcoholism (n; %)

8 (7.3)

3 (7.0)

5 (7.6)

1.00

Liver disease (n; %)

2 (1.8)

2 (4.7)

0 (0.0)

0.153

HIV (n; %)

2 (1.8)

1(2.3)

1 (1.5)

1.00

Other comorbidities (n; %)

39 (35.8)

16 (37.2)

23 (34.8)

0.963

Pre-fasting (h; range)

8 (7.7–10.5)

8 (8–13)

8 (7.5–9.62)

0.856

Post-fasting (h; range)

30 (20.7–46)

19.5 (15.5–22)

45 (31–63.12)

0.000

Total fasting (h; range)

42 (34.5–60.5)

34 (32–36)

58 (46–81)

0.000

Primary tumor (n; %)

71 (65.1)

28 (65.1)

43 (65.2)

1.00

Metastases (n; %)

57 (52.3)

21 (48.8)

36 (54.5)

0.69

Chemotherapy (n; %)

45 (41.3)

17 (39.5)

28 (42.4)

0.92

Radiotherapy (n; %)

21 (19.3)

5 (11.6)

16 (24.2)

0.166

Re-intervention (n; %)

11(10.1)

2 (4.7)

9 (13.6)

0.195

RRT (n; %)

6 (5.5)

1 (2.3)

5 (7.6)

0.4

Mechanical ventilation (n; %)

43 (39.4)

1 (23.3)

33 (50)

0.010

Noradrenaline (n; %)

28 (25.7)

9 (20.9)

19 (28.8)

0.000

Another vasopressor (n; %)

11 (10.1)

0 (0.0)

11 (16.7)

0.003

  1. Abbreviations: SAPS3 simplified acute physiology score 3, SOFA sequential organ failure assessment, NUTRIC nutrition risk in critically ill, BMI body mass index, CC calf circumference, COPD chronic obstructive pulmonary disease, HIV acquired immunodeficiency syndrome, RRT renal replacement therapy