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Table 7 Multivariate analysis: PMI versus PML3 versus PMD versus TPG versus PBSA

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

Ideal outcome

PML3

PMI

PMD

OR (95% CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

Age ≥ 65

0.275 (0.104–0.729)

0.009

0.194 (0.073–0.515)

0.001

0.213 (0.085–0.531)

0.001

CCI ≥ 1

0.290 (0.096–0.874)

0.028

0.308 (0.105–0.904)

0.032

0.371 (0.134–1.022)

0.055

Sepsis

0.019 (0.004–0.094)

 < 0.001

0.021 (0.004–0.099)

 < 0.001

0.024 (0.005–0.109)

 < 0.001

Sarcopenia

0.160 (0.058–0.436)

 < 0.001

0.176 (0.065–0.480)

0.001

0.514 (0.204–1.292)

0.157

Ideal outcome

TPG

PBSA

OR (95% CI)

P value

OR (95% CI)

P value

Age ≥ 65

0.233 (0.091–0.595)

0.002

0.182 (0.067–0.493)

0.001

CCI ≥ 1

0.339 (0.119–0.967)

0.043

0.343 (0.116–1.011)

0.052

Sepsis

0.024 (0.005–0.110)

 < 0.001

0.020 (0.004–0.100)

 < 0.001

Sarcopenia

0.264 (0.102–0.681)

0.006

0.159 (0.059–0.427)

 < 0.001

Mortality at 30-days

PML3

PMI

PMD

OR (95% CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

Age ≥ 65

2.386 (0.886–6.422)

0.085

3.334 (1.265–8.790)

0.015

3.186 (1.263–8.038)

0.014

CCI ≥ 1

3.691 (1.180–11.547)

0.025

3.395 (1.116–10.326)

0.031

2.866 (0.996–8.247)

0.051

Sepsis

78.036 (9.667–629.942)

 < 0.001

70.958 (8.964–561.702)

 < 0.001

64.746 (8.396–499.279)

 < 0.001

Sarcopenia

6.326 (2.287–17.499)

 < 0.001

4.983 (1.842–13.477)

0.002

2.256 (0.885–5.748)

0.088

Mortality at 30-days

TPG

PBSA

OR (95% CI)

P value

OR (95% CI)

P value

Age ≥ 65

2.827 (1.081–7.391)

0.034

3.538 (1.317–9.509)

0.012

CCI ≥ 1

3.213 (1.069–9.662)

0.038

3.111 (1.018–9.506)

0.046

Sepsis

66.086 (8.437–517.681)

 < 0.001

71.272 (8.880–572.032)

 < 0.001

Sarcopenia

4.571 (1.732–12.065)

0.002

5.712 (2.133–15.295)

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, OR odds ratio, CI confident interval, CCI Charlson Comorbidities Index
  2. P value < 0.05 was considered statistically significant