Table 1 Descriptive Statistics
Characteristic or Measure | Women N = 511 | Men N = 304 |
|---|---|---|
Age mean (sd) | 66.4 (9.9) | 66.5 (10.2) |
BMI mean (sd) | 30.4 (8.2) | 30.2 (5.7) |
Joint hip / knee | 201 / 310 | 122 / 182 |
(% hip / % knee) | (39.3% / 60.7%) | (40.1% / 59.9%) |
Comorbidities quartiles; n | 1, 2, 3; 511 | 1, 2, 3; 303 |
Failed Conservative Treatment n/N (%) | 212/492 (43.1%) | 138/295 (46.8%) |
Kellgren-Lawrence Score | ||
 1 n (%) | 3 (0.6) | 1 (0.3) |
 2 n (%) | 121 (23.7) | 53 (17.4) |
 3 n (%) | 95 (18.7) | 41 (13.5) |
 4 n (%) | 292 (57.1) | 209 (68.8) |
Clinical score (0–3) quartiles; n | 1.5, 2.0, 2.0; 510 | 2.0, 2.0, 2.0; 304 |
Functional score (0–3) quartiles; n | 1.5, 2.0, 2.0; 510 | 1.0, 2.0, 2.0; 304 |
Radiological score (0–2) quartiles; n | 1.5, 2.0, 2.0; 510 | 1.5, 2.0, 2.0; 304 |
Total severity score (0–8) quartiles; n | 4.5, 5.5, 6.0; 510 | 5.0, 5.5, 6.0; 304 |
P4 pain score (0–40) mean, sd; n | 23.9, 9.8; 509 | 22.4, 9.7; 303 |
LEFS score (0–80) mean, sd; n | 31.9, 16.2; 509 | 32.1, 16.1; 303 |
30s Chair Stand mean, sd; n | 10.3, 4.3; 425 | 11.2, 4.7; 267 |
40 m walk time mean, sd; n | 35.1, 10.8; 436 | 32.8, 12.6; 272 |
Timed-up-and-go quartiles; n | 20, 25, 40; 58 | 16, 24, 30; 22 |