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Table 4 Pain characteristics intensity scores according to the three pain severity groups, hip (n = 224) knee (n = 94), mean (SD)

From: Cutpoints for mild, moderate and severe pain in patients with osteoarthritis of the hip or knee ready for joint replacement surgery

  Patients with OA of the hip Patients with OA of the knee
Pain characteristic Mild pain 1 to 4
n = 50
Moderate pain > 4 to 6
n = 95
Severe pain 6 > to 10
n = 79
P Mild pain 1 to 4
n = 16
Moderate pain > 4 to 7
n = 61
Severe pain 7 > to 10
n = 17
P
Pain duration (years) 5.0 (5.1) 7.3 (7.7) 6.2 (6.3) .15 14.4(14.3) 11.0 (10.5) 8.6 (8.6) .32
Mobility problem (years) 3.2 (2.8) 3.5 (4.0) 4.6 (4.8) .18 4.8 (4.8) 7.1 (7.9) 8.5 (10.7) .47
Urgency for surgery (0–100) 60.6 (20.7) 67.4 (17.4) 80.2(13.9) < .001 a 55.4(15.4) 70.7 (18.5) 78.3(19.3) .002 c
Pain Intensity Items from the Brief Pain Inventory         
Pain now 2.3 (2.0) 4.8 (2.0) 6.8 (1.9) < .001 b 2.4 (1.6) 5.5 (1.8) 7.3 (2.3) < .001 b
Least Pain 1.5 (1.4) 3.1 (1.7) 4.9 (2.4) < .001 b 1.8 (1.5) 3.6 (1.6) 6.1 (2.6) < .001 b
  1. Statistically significant p values are emphasized with bold face.
  2. a mild < severe, moderate < severe
  3. b mild < moderate < severe
  4. c mild < moderate, mild < severe