The adjusted hazard ratios of provider categories in different regression models.

<p>Abbreviation: HR, hazard ratio; 95% CI, 95% confidence interval.</p><p>Adjusted for patients’ age, gender, indication for surgery, surgical procedure, comorbidity, hepatitis/cirrhosis, pre-and post-operative cirrhosis-related complication, socioeconomic status, geographic region and urbanization level of residence.</p>