Standardizing a control group for comparing open with laparoscopic major liver resection in observational studies: Reducing the need for correction of clinical heterogeneity

Keyphrases

• Accordion Severity Grading System 33%
• Anatomic Liver Resection 100%
• Clinical Heterogeneity 100%
• Colorectal Metastases 33%
• Common Diagnoses 33%
• Concomitant Procedures 33%
• Laparoscopic Approach 33%
• Length of Stay 33%
• Liver 33%
• Liver Resection 66%
• National Surgical Quality Improvement Program (NSQIP) 33%
• NSQIP Database 33%
• Observational Trial 100%
• Open Hepatectomy 33%
• Open Liver Resection 33%
• Operative Time 33%
• Organ Space Infection 33%
• Postoperative Morbidity Index 33%
• R0 Resection Rate 33%
• Right Hepatectomy 33%
• Statistical Adjustment 66%
• Statistical Methods 33%
• Unplanned Intubation 33%
• Ventilator 33%

Medicine and Dentistry

• Hepatectomy 100%
• Infection 16%
• Intubation 16%
• Metastatic Carcinoma 16%
• Observational Study 100%
• Operation Duration 16%
• Statistical Analysis 16%
• Surgery 16%