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Table 1 Baseline characteristics of the study population (n = 71)

From: Preoperative pain catastrophizing and postoperative pain after total knee arthroplasty: a prospective cohort study with one year follow-up

Characteristics Value
Age, mean (SD) 64.8 (10.3)
Female sex, n (%) 36 (50.7)
ASA group, n (%) 1 8 (11.3)
  2 49 (69.0)
  3 13 (18.3)
  4 1 (1.4)
BMI kg/m2, mean (SD) 30.4 (5.4)
Living with others, n (%) 49 (69.0)
PCS total, mean (SD) 18.2 (12.1)
BPI average pain, (NRS 0–10), mean (SD) 5.4 (2.2)
  1. ASA American Society of Anesthesiologists classification, BMI Body Mass Index, BPI Brief Pain Inventory, PCS Pain Catastrophizing Scale total (0–52), NRS Numerical Rating Scale