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Table 4 Logistic regression analysis of pre- and intraoperative factors associated with surgery-related loss of muscle quality

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

Factors Univariate analysis Multivariate analysis
OR (95% CI) P-value OR (95% CI) P-value
Age (per 1 year) 1.059 (1.013–1.107) 0.011* 1.082 (1.029–1.138) 0.002
Gender (male) 0.508 (0.234–1.103) 0.087*   
BMI (per kg/m2) 1.026 (0.911–1.154) 0.674   
CEAa (per μg/L) 1.012 (0.996–1.029) 0.130   
ASA grade
 I
 II 2.086 (0.795–5.473) 2.086   
 III 1.378 (0.256–7.406) 0.708   
Comorbidity
 Diabetes 1.378 (0.256–7.406) 0.708   
 Chronic obstructive pulmonary disease 1.089 (0.192–6.187) 0.924   
Surgery
 Open resection (versus laparoscopic) 6.390 (1.900–21.491) 0.003* 6.798 (1.082–24.580) 0.003
 Major (versus minor) 1.149 (0.549–2.402) 0.712   
 Resection + RFA (versus only resection) 1.800 (0.658–4.920) 0.252   
 Blood loss (per ml) 1.001 (1.000–1.001) 0.127   
 Operation time (per min) 1.007 (1.00–1.015) 0.041* 1.009 (1.001–1.017) 0.033
  1. OR odds ratio, CI confidence interval, 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