Table 2 Demographic and clinical variables stratified by age group
≥65 years of age (n = 64) | < 65 years of age (n = 44) | p-value | All (n = 108) | ||
|---|---|---|---|---|---|
Joint, no (%) | |||||
Knee OA | 31 (53) | 27 (47) | n.s. | 58 (53.7) | |
Hip OA | 33 (66) | 17 (34) | 50 (46.3) | ||
Sex, no (%) | |||||
Women | 40 (55) | 32 (45) | n.s. | 72 (66.7) | |
Men | 24 (66.6) | 12 (33.3) | 36 (33.3) | ||
Age, mean (SD) | 72 (5.1) | 58 (5.1) | 66.3 (8.5) | ||
BMI, mean (SD) | 27.6 (4.0) | 29.3 (5.2) | n.s. | 28.3 (4.6) | |
Analgesicsa, no (%) | |||||
Daily analgesics | 24 (39.3) | 24 (55.8) | 0.09 | 48 (46.2) | |
Analgesics when needed | 26 (42.6) | 15 (34.9) | 41 (39.4) | ||
No analgesics | 11 (18) | 4 (9.3) | 15 (14.4) | ||
Kellgren & Lawrence modified classification of OA, no (%) | |||||
3a | 4 (6.3) | 3 (6.8) | 0.03 | 7 (6.5) | |
3b | 12 (18.8) | 16 (36.4) | 28 (25.9) | ||
4a | 15 (23.4) | 13 (29.5) | 28 (25.9) | ||
4b | 33 (51.6) | 12 (27.3) | 45 (41.7) | ||
POM VASb, mean (SD) | 37 (21) | 40 (24) | n.s. | 38 (22.6) | |
POM-Words | |||||
Words, no (%) | Troublesome (O) | 47 (73.4) | 40 (90.9) | 0.03 | 87 (80.6) |
Excruciating (V) | 5 (7.8) | 10 (22.7) | 0.045 | 15 (13.9) | |
Number, median (range) | Sensory words | 2 (0–7) | 3 (1–6) | n.s. | 2 (0–7) |
Affective words | 2 (1–7) | 3 (1–9) | 0.02 | 2 (1–9) | |
Intensity score, median (range) | Sensory words | 6 (0–24) | 8 (2–20) | 0.05 | 7 (0–24) |
Affective words | 5.5 (2–27) | 8 (3–39) | 0.008 | 6 (2–39) | |
KOOS/HOOS, mean (SD) | |||||
Pain | 46 (14) | 41 (14) | n.s. | 44 (14) | |
Symptoms | 46 (19) | 38 (16) | 0.03 | 43 (18) | |
ADL | 52 (15) | 50 (18) | n.s. | 51 (16) | |
Sports and recreation | 22 (18) | 16 (18) | n.s. | 20 (18) | |
QoL | 25 (16) | 24 (12) | n.s. | 25 (15) | |
EQ-5D VAS | 65 (22) | 61 (19) | n.s. | 63 (21) | |