Perception of pain
pain
MLD
The mean preoperative pain level in the MLD group was 2.2 compared to 2.9 in the NP group (VAS measured at day zero (preoperative) till day six: Statistically significant differences (*) between the subgroups were found on days one, two, four and five. The horizontal line in the middle of each box indicates the median; the top and bottom borders of the box mark the 75th and 25th percentiles; respectively, the whiskers mark the min and max and the circles mark outliers. 