Table 1 Baseline patients’ characteristics of responders and non-responders to the 12-month follow-up questionnaire
Responders (N = 892) | Non-responders (N = 789) | p value | |
|---|---|---|---|
Age in years: mean (SD) | 68.74 (9.92) | 69.07 (9.65) | 0.505 |
Joint: hip: n (%) | 365 (40.92%) | 289 (36.26%) | 0.051 |
Gender: female: n (%) | 529 (59.37%) | 507 (63.77%) | 0.71 |
BMI: mean (SD) | 29.37 (4.61) | 29.98 (4.71) | 0.012 |
WOMAC: mean (SD) | |||
Pain | 55.26 (18.17) | 58.60 (19.54) | <0.001 |
Stiffness | 56.92 (24.24) | 60.70 (24.46) | 0.002 |
Function | 62.53 (17.28) | 66.65 (17.28) | <0.001 |
SF-12: mean (SD) | |||
PCS | 29.80 (7.08) | 29.69 (7.46) | 0.787 |
MCS | 43.34 (14.23) | 41.21 (14.40) | 0.006 |
Higher education: n (%) | |||
Secondary education/University | 176 (20.39%) | 121 (15.71%) | <0.001 |
Primary education | 511 (59.21%) | 419 (54.42%) | |
None | 176 (20.39%) | 230 (29.87%) | |
Previous intervention: n (%) | |||
Yes | 311 (36.4%) | 287 (37.18%) | 0.758 |
No | 543 (63.6%) | 485 (62.82%) | |
Expectation items | |||
Pain relief: n (%) | |||
Low | 89 (10.31%) | 135 (17.26%) | <0.001 |
High | 287 (33.26%) | 282 (36.06%) | |
Very high | 487 (56.43%) | 365 (46.68%) | |
Daily activities: n (%) | |||
Low | 165 (18.94%) | 215 (27.53%) | <0.001 |
High | 407 (46.73%) | 326 (41.74% ) | |
Very high | 299 (34.33%) | 240 (30.73%) | |
Ability to walk: n (%) | |||
Low | 82 (9.40%) | 130 (16.71%) | <0.001 |
High | 352 (40.37%) | 329 (42.29%) | |
Very high | 438 (50.23%) | 319 (41.00%) | |
To interact with others: n (%) | |||
Low | 221 (26.06%) | 257 (33.68%) | 0.002 |
High | 330 (38.92%) | 330 (38.92%) | |
Very high | 297 (35.02%) | 221 (28.96%) | |
Psychological well-being: n (%) | |||
Low | 171 (20.38%) | 200 (26.49%) | 0.015 |
High | 355 (42.31%) | 290 (38.41%) | |
Very high | 313 (37.31%) | 265 (35.10%) |