Fig. 2
NCIQ general domains: physical, psychological, and social functioning. The boxplots represent the scores from the three conditions of answering the questionnaires: preoperative acute (t0), preoperative retrospective (pre-t1, then-test), and postoperative acute (post-t1). Each boxplot shows the total range from minimum to maximum values, the first and third quartile, the median (i.e., second quartile, bold horizontal line) and the mean value (diamond)