Fig. 4.
Comparison of the maximal flow rate preoperatively (n = 139), at 1- (n = 126), 6- (n = 70), and 9-year (n = 41) follow-ups. p values were calculated for each follow-up period comparing it to the particular baseline. All p < 0.001.
Comparison of the maximal flow rate preoperatively (n = 139), at 1- (n = 126), 6- (n = 70), and 9-year (n = 41) follow-ups. p values were calculated for each follow-up period comparing it to the particular baseline. All p < 0.001.
