Fig. 2From: “Preoperative oral duloxetine: does it affect duration of spinal anesthesia and early postoperative pain after arthroscopic ACL repair?” A prospective, randomized, double-blind controlled trialVisual analog scale (VAS). The middle black solid line represents the median; the upper and lower margins of each box represent the IQR. Asterisk is maximum and minimum values; asterisk represents the number of patients with outlier dataBack to article page