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Table 3 Multivariable logistic regression model to assess effects on adverse events (n = 114)

From: Obesity and perioperative adverse events in patients undergoing complex revision surgery for the thoracolumbar spine

Variable

Reference Category for OR

Unadjusted OR (95% CI)

P Value

Adjusted OR (95% CI)

P Value

Obesity (BMI ≥ 30 kg/m2)

BMI < 30

0.61 (0.29-1.27)

0.187

1.04 (0.43-2.52)

0.929

Low muscle mass (male PMI < 500 mm2/m2, female PMI < 412 mm2/m2)

PMI ≥ 500 mm2/m2, female PMI > 412 mm2/m2)

7.46 (3.22-17.3)

< 0.001*

7.53 (3.05-18.6)

< 0.001*

Age (years)

N/A

1.04 (1.00-1.07)

0.064

1.03 (1.00-1.07)

0.065

Female gender

Male gender

1.18 (0.56-2.50)

0.672

0.94 (0.39-2.24)

0.882

  1. BMI Body mass index, PMI Psoas muscle index, OR Odds ratio, CI Confidence interval
  2. *Statistically significant values