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Table 3 Linear regression analysis of pre- and intraoperative factors associated with surgery-related loss of muscle quantity

From: Risk factors for surgery-related muscle quantity and muscle quality loss and their impact on outcome

Factors Univariate analysis Multivariate analysis
B (95% CI) P-value B (95% CI) P-value
Age (per 1 year increase) 0.036 (− 0.161–0.234) 0.716   
Gender (male) − 3.240 (− 6.928–0.448) 0.085*   
BMI (per kg/m2) 0.132 (− 1.063–1.326) 0.828   
CEAa (per μg/L) − 0.007 (− 0.029–0.016) 0.553   
ASA grade
I
II − 2.099 (− 6.815–2.618) 0.380   
III 5.417 (− 2.078–12.911) 0.155   
Comorbidity
Diabetes 10.778 (3.466–18.091) 0.004 11.173 (3.937–18.408) 0.003
Chronic obstructive pulmonary disease 7.307 (− 0.717–15.331) 0.074* 7.948 (0.165–15.731) 0.045
Surgery
Open resection (versus laparoscopic) 1.314 (− 4.022–6.649) 0.627   
Major (versus minor) − 1.465 (− 4.934–2.003) 0.405   
Resection + RFA ( versus only resection) 2.419 (− 1.962–6.799) 0.277   
Blood loss (per ml) − 0.001 (− 0.003–0.001) 0.383   
Operation time (per min) − 0.002 (− 0.026–0.030) 0.884   
  1. BMI body mass index, CEA carcinoembryonic antigen, ASA American Society of Anesthesiologists, RFA radiofrequency ablation
  2. Bold variables were considered statistically significant (P < 0.05). *Variables that were taken into the multivariable analysis (P < 0.010)
  3. a28 patients missing