Pain scores at D0 (3rd postoperative hour and evening), D1 (morning and evening) and D2 (morning and evening).

<p>Results are represented by box plot. The horizontal solid line gives the median value and the upper and lower limit give the interquartile range. At last, the 5 and 95th percentiles correspond to the limit of the whiskers. Left panel: pain scores at rest. Right panel: pain scores during mobilization. VRNS: verbal response numerical scale pain score.