One-month physical fatigue scores were similar in both groups ( mean : laparoscopy , 12.28 ; 95 % CI , 11.37 to 13.19 v open surgery , 12.05 ; 95 % CI , 11.14 to 12.96 ; adjusted mean difference , -0.23 ; 95 % CI , -1.52 to 1.07 ) .