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Table 5 Patients’ surgical outcomes: Sarcopenia versus Non-Sarcopenia

From: CT psoas calculations on the prognosis prediction of emergency laparotomy: a single-center, retrospective cohort study in eastern Asian population

Surgical outcome

PML3

PMI (mm2/m2)

PMD (HU/mm2)

Sarcopenia

Non-Sarcopenia

P value

Sarcopenia

Non-Sarcopenia

P value

Sarcopenia

Non-Sarcopenia

P value

Complication

CD grade ≥ 2, n (%)

33 (58.9)

56 (32.6)

 < 0.001

89 (53.6)

59 (34.3)

0.010

29 (51.8)

60 (34.9)

0.024

CD grade ≥ 3, n (%)

13 (23.2)

21 (12.2)

0.045

14 (25.0)

20 (11.6)

0.015

12 (21.4)

22 (12.8)

0.115

Respiratory infection, n (%)

21 (37.5)

29 (16.9)

0.001

18 (32.1)

32 (18.6)

0.033

20 (35.7)

30 (17.4)

0.004

Abdominal infection, n (%)

10 (17.9)

30 (17.4)

0.943

9 (16.1)

31 (18.0)

0.739

15 (26.8)

25 (14.5)

0.036

Wound infection, n (%)

4 (7.1)

9 (5.2)

0.592

5 (8.9)

8 (4.7)

0.231

4 (7.1)

9 (5.2)

0.592

Leakage, n (%)

5 (8.9)

7 (4.1)

0.157

4 (7.1)

8 (4.7)

0.468

4 (7.1)

8 (4.7)

0.468

Ideal Outcome, n (%)

35 (62.5)

157 (91.3)

 < 0.001

37 (66.1)

155 (90.1)

 < 0.001

40 (71.4)

152 (88.4)

0.003

Mortality at 30-days, n (%)

19 (33.9)

13 (7.6)

 < 0.001

17 (30.4)

15 (8.7)

 < 0.001

15 (26.8)

17 (9.9)

0.002

Mortality at hospital, n (%)

0 (0.0)

4 (2.3)

0.250

1 (1.8)

3 (1.7)

0.984

0 (0.0)

4 (2.3)

0.250

Readmission with 30-days, n (%)

1 (1.8)

7 (4.1)

0.420

2 (3.6)

6 (3.5)

0.977

3 (5.4)

5 (2.9)

0.387

Length of stay, d, median [IQR]

9 [6.25,14.75]

9 [7, 12]

0.793

8.5 [6,13.75]

9 [7, 12]

0.542

9.5 [7,14.5]

9 [7, 12]

0.475

ICU Stay, d, median [IQR]

0 [0,2.75]

0 [0,0]

0.001

0 [0,1.75]

0 [0,0]

0.012

0 [0,1.75]

0 [0,0]

0.011

Surgical outcome

TPG (AU)

PBSA (mm2/m2)

Sarcopenia

Non-Sarcopenia

P value

Sarcopenia

Non-Sarcopenia

P value

Complication

CD grade ≥ 2, n (%)

33 (58.9)

56 (32.6)

 < 0.001

32 (57.1)

57 (33.1)

0.001

CD Grade ≥ 3, n (%)

12 (21.4)

22 (12.8)

0.115

15 (26.8)

19 (11.0)

0.004

Respiratory infection, n (%)

20 (35.7)

30 (17.4)

0.004

21 (37.5)

29 (16.9)

0.001

Abdominal infection, n (%)

13 (23.2)

27 (15.7)

0.199

9 (16.1)

31 (18.0)

0.739

Wound infection, n (%)

5 (8.9)

8 (4.7)

0.231

5 (8.9)

8 (4.7)

0.231

Leakage, n (%)

4 (7.1)

8 (4.7)

0.468

4 (7.1)

8 (4.7)

0.468

Ideal Outcome, n (%)

37 (66.1)

155 (90.1)

 < 0.001

35 (62.5)

157 (91.3)

 < 0.001

Mortality at 30-days, n (%)

18 (32.1)

14 (8.1)

 < 0.001

19 (33.9)

13 (7.6)

 < 0.001

Mortality at Hospital, n (%)

0 (0.0)

4 (2.3)

0.250

0 (0.0)

4 (2.3)

0.250

Readmission with 30-days, n (%)

1 (1.8)

7 (4.1)

0.420

2 (3.6)

6 (3.5)

0.977

Length of stay, d, median [IQR]

9 [6, 15]

9 [7, 12]

0.308

9 [6, 15]

9 [7, 12]

0.994

ICU stay, d, median [IQR]

0 [0,2.75]

0 [0,0]

0.005

0 [0,3]

0 [0,0]

 < 0.001

  1. PML3 psoas muscle to L3 vertebral body ratio, PMI psoas muscle index, PMD psoas muscle density, TPG total psoas gauge, PBSA psoas muscle to body face area ratio, SD standard deviation, IQR interquartile range. Chi-square test category parameters, T test or Mann–Whitney U test consecutive parameters, CD grade Clavien-Dindo grade, ICU intensive care unit
  2. P value < 0.05 was considered statistically significant