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Table 3 Demographic and clinical variables stratified by sex

From: Younger age is associated with greater pain expression among patients with knee or hip osteoarthritis scheduled for a joint arthroplasty

  Women (n = 72) Men (n = 36) p-value All (n = 108)
Joint, no (%)
 Knee OA 38 (65) 20 (35) n.s. 58 (53.7)
 Hip OA 34 (68) 16 (32)   50 (46.3)
Age, no (%)
 ≥ 65 years 40 (55) 24 (66.6) n.s. 64 (59.3)
 <  65 years 32 (45) 12 (33.3)   44 (40.7)
Age, mean (SD) 66.4 (8.9) 66 (7.8) n.s. 66.3 (8.5)
BMI, mean (SD) 28.4 (5.1) 27.9 (3.2) n.s. 28.3 (4.6)
Analgesicsa, no (%)
 Daily analgesics 32 (45.7) 16 (47.1) 0.03 48 (46.2)
 Analgesics when needed 32 (45.7) 9 (26.5)   41 (39.4)
 No analgesics 6 (8.6) 9 (26.5)   15 (14.4)
Kellgren & Lawrence modified classification of OA, no (%)
 3a 3 (4.2) 4 (11.1) n.s. 7 (6.5)
 3b 22 (31) 6 (16.7)   28 (25.9)
 4a 20 (28) 8 (22.2)   28 (25.9)
 4b 27 (37.5) 18 (50)   45 (41.7)
POM VASb, mean (SD) 42 (24) 31 (19) 0.011 38 (22.6)
POM-Words
 Number, median (range) Sensory words 3 (1–7) 2 (0–5) n.s. 2 (0–7)
Affective words 2 (1–9) 2 (1–4) n.s. 2 (1–9)
 Intensity score, median (range) Sensory words 7 (1–24) 6 (0–14) n.s. 7 (0–24)
Affective words 6.5 (2–39) 6 (2–14) n.s. 6 (2–39)
KOOS/HOOS, mean (SD)
 Pain 42 (14) 48 (13) 0.06 44 (14)
 Symptoms 41 (17) 47 (20) n.s. 43 (18)
 ADL 50 (17) 54 (14) n.s. 51 (16)
 Sports and recreation 19 (19) 22 (16) n.s. 20 (18)
 QoL 24 (14) 25 (16) n.s. 25 (15)
EQ-5D VAS 63 (21) 65 (20) n.s. 63 (21)
  1. a Data missing for 4 patients b Data missing for 1 patient
  2. OA Osteoarthritis, POM Pain-o-Meter, VAS Visual analogue scale, KOOS Knee Injury and Osteoarthritis Outcome Score, HOOS Hip Disability and Osteoarthritis Outcome Score, EQ-5D VAS EuroQol 5 Dimensions Visual analogue scale, N.s non-significant