Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastrointest Surg. Jan 27, 2022; 14(1): 56-63
Published online Jan 27, 2022. doi: 10.4240/wjgs.v14.i1.56
Table 1 Comparison of patients' characteristics and outcomes of surgery between Open-PE and laparoscopic portoenterostomy groups

Open-PE
Lap-PE
P value
Number of patients6653
Age at surgery66.0 (32.0-144.0)55.0 (23.0-116.0)0.0013
Operation duration271.5 (167.0-390.0)341.0 (242.0-512.0)< 0.0001
Blood loss52.0 (5.0-363.0)23.5 (1.0-160.0)< 0.0001
Time to resume oral intake6.0 (3.0-14.0)3.0 (2.0-6.0)< 0.0001
Time to drain removal7.0 (3.0-15.0)6.0 (3.0-16.0)0.0004
Complete resolution from jaundice case (%)45 (68.2%)42 (79.2%)0.176
Table 2 Comparison of outcome of laparoscopic portoenterostomy between qualified and non-qualified surgeons

Qualified
Non-qualified
P value
Number of patients3419
Operation duration (minutes)324.5 (242-483)390.0 (253-512)0.0314
Blood loss (mL)25.5 (1-160)23.0 (3-122)0.9704
Complete release from jaundice (case)27 (79.4%)15 (78.9%)0.9681