“…These factors (trauma, duration of surgery and anxiety) can play important roles in inducing complications 8 , 12 , 22 , 28 , 29 , 30 , 47 , 48 , 49 , 50 , 51 , 52 , 53 . Therefore, expert clinicians might obtain better results 8 , 12 , 34 , 48 , 49 , 50 , 51 , 54 , 55 , 56 . However, the evidence is controversial, as some authors did not denote a link between the surgeon's skill and the patient's postoperative pain 29 .…”