“…4,8,9,16,66 To better control pain, predictive factors need to be used, among which are weight, surgical site, 12 sex, depression, 15 smoking, alcohol, 18 preoperative catastrophizing tendency, anxiety, 22,54,62 preoperative expectations, 25 preoperative pressure pain, 28 loss of passive range of motion, radiographic evidence, glenoid bone erosion, 30 preoperative pain, age, type of surgery, 31 prediction rules, 33 Spielberger's State Trait Anxiety Inventory, health-related quality of life (Medical Outomes Study Short-Form 35-item Health Survey), 35 chronic sleeping difficulties, 44 fear, 61 and the MPQ. 63 Many of these predictive factors have been significant in determining postoperative pain intensity; however, to focus on anticipated and preoperative pain as predictive factors we used the SF-MPQ.…”