Minimally Invasive Liver Resection for Early-Stage Hepatocellular Carcinoma: Inconsistent Outcomes from Matched or Weighted Cohorts.
Lu WuDiamantis I TsilimigrasKatiuscha MerathJ Madison HyerAnghela Z ParedesRittal MehtaKota SaharaFabio BaganteEliza W BealFeng ShenTimothy M PawlikPublished in: Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract (2019)
Long-term outcomes of patients undergoing MILR were comparable with patients who had open surgery when assessed by standard PSM. The use of IPTW resulted in more unbalanced groups leading to residual confounding and bias.