Table 4 Characteristics of non-AGI and AGI patients

Age (year)

53.4 ± 20.6

53.9 ± 21.6

52.2 ± 18.5

0.41^a

Male/female, n (%)

62/54

42/38

20/16

0.09^c

BMI (kg/m²)

22.3 ± 3.9

22.1 ± 3.9

22.5 ± 4.0

0.49^a

 Major trauma, n (%)

59 (50.9)

43 (53.8)

16 (44.4)

0.86^c

 Complications after surgery, n (%)

45 (38.8)

30 (37.5)

15 (41.7)

0.18^c

 Others, n (%)

12 (10.3)

7 (8.8)

5 (13.9)

0.71^c

Serum lactate at onset (mmol/L)

2.4 ± 1.0

2.3 ± 1.0

2.5 ± 0.9

1.21^a

APACHE II on ICU admission

15.0 [11.0–17.0]

15.0 [11.0–17.0]

14.5 [13.0–18.0]

1.83^b

SOFA score on ICU admission

10.0 [8.0–13.0]

9.5 [8.0–13.0]

10.0 [9.3–13.0]

5.14^b

Mechanical ventilation, n (%)

62 (53.5)

36 (45.0)

26 (72.2)

7.40^c

PaO2/FiO₂ (mmHg)

206.5 ± 21.5

209.8 ± 20.7

199.1 ± 21.6

2.54^a

Platelet count (× 10⁹/L)

133.7 ± 19.7

137.11 ± 19.7

126.11 ± 17.7

2.87^a

Total bilirubin (mmol/L)

70.1 ± 32.8

54.1 ± 22.7

105.8 ± 22.0

11.46^a

MAP (mmHg)

75.0 ± 6.2

75.2 ± 5.6

74.3 ± 7.4

0.76^a

Vasopressor support, n (%)

59 (50.9)

35 (43.8)

24 (66.7)

5.22^c

 Norepinephrine, n (%)

59 (50.9)

35 (43.8)

24 (66.7)

5.22^c

 Epinephrine, n (%)

7 (6.0)

2 (2.5)

5 (13.9)

5.68^c

 Dobutamine, n (%)

3 (2.6)

0 (0)

3 (8.3)

6.84^c

 Norepinephrine dose (μg/kg/min)

0.06 [0.03–0.15]

0.04 [0.03–0.06]

0.15 [0.09–0.24]

5.22^b

 At least two drugs, n (%)

9 (7.8)

2 (2.5)

7 (19.4)

9.96^c

Serum creatinine (μmol/L)

94.0 [61.5–131.8]

80.0 [50.5–107.3]

162.0 [108.5–200.8]

18.64^b

Renal replacement therapy, n (%)

34 (29.3)

19 (23.8)

15 (41.7)

3.85^c

Intra-abdominal pressure (mmHg)

10.6 ± 6.3

8.4 ± 5.5

15.5 ± 5.3

6.57^a

Abdominal perfusion pressure (mmHg)

64.3 ± 8.3

66.9 ± 7.8

58.8 ± 6.6

5.41^a

Intra-abdominal hypertension, n (%)

78 (67.2)

43 (53.8)

35 (97.2)

21.30^c

Feeding intolerance, n (%)

41 (35.3)

5 (6.3)

36 (100)

95.49^c

Duration of mechanical ventilation (days)

3.0 [0.0–12.8]

1.0 [0–7.0]

12.0 [0–14.8]

4.48^b

AGIUS score

2.0 [1.0–3.0]

2.0 [1.0–3.0]

4.0 [3.0–4.0]

5.85^b

GUTS score

3.0 [2.0–3.0]

3.0 [2.0–3.0]

3.0 [3.0–3.0]

4.60^b

Length of ICU stay (days)

9.5 [6.0–18.0]

8.0 [5.0–14.5]

17.0 [8.8–21.0]

3.38^b

Length of hospital stay (days)

17.0 [11.0–23]

14.0 [10.0–20.8]

21.0 [19.0–25.8]

3.75^b

28-day mortality, n (%)

42 (36.2)

14 (17.5)

28 (77.8)

39.06^c

ICU mortality, n (%)

37 (31.9)

12 (15.0)

25 (69.4)

38.21^c

Hospital mortality, n (%)

41 (35.3)

14 (17.5)

27 (75)

35.92^c