Introduction
Materials and methods
Questionnaire
Statistical analysis
Results
Characteristics of the respondents
Characteristics | Group | Total (n = 326) | |
---|---|---|---|
A (n = 165) | B (n = 161) | ||
Gender | |||
Male (%) | 152 (92) | 150 (93) | 302 (93) |
Working environment (%) | |||
University medical centre | 17 (10) | 18 (11) | 35 (11) |
Private practice in general hospital | 122 (74) | 114 (71) | 236 (72) |
General hospital (fixed salary) | 17 (10) | 19 (12) | 36 (11) |
Specialised knee clinic | 9 (6) | 10 (6) | 19 (6) |
Number of knee arthroplasties each year (%) | |||
<50 | 50 (30) | 59 (37) | 109 (34) |
50–100 | 91 (55) | 86 (53) | 177 (54) |
>100 | 24 (15) | 16 (10) | 40 (12) |
Years of experience (median; IQR) | 10 (5–19) | 11 (4–20) | 10 (5–10) |
Case vignettes
Group |
p value | |
---|---|---|
A (n = 165) | B (n = 161) | |
Case ‘Age’ 54-year-old patient (45.5 %) | 86-year-old patient (73.3 %) | <0.001 |
Case ‘Pain’ mild pain symptoms (57 %) | Severe pain symptoms (64 %) | n.s. |
Case ‘ROA’ mild radiological OA (9.7 %) | Severe radiological OA (96.9 %) | <0.001 |
Case ‘Age’ | Group | |
---|---|---|
A (n = 90) | B (n = 43) | |
High tibial osteotomy | 37 | – |
Unicompartmental knee prosthesis | 29 | 4 |
Valgus bracing of the knee | 17 | 13 |
Intra-articular injection | 7 | 11 |
Expand conservative treatment | 6 | 7 |
Knee arthroscopy | 6 | 1 |
Radiographs (long leg) | 6 | – |
MRI | 6 | – |
Physiotherapy | 6 | 5 |
Patient too young | 5 | – |
Patient too old | – | 3 |
Lateral heel lift | 2 | – |
Lack of information | 1 | 1 |
Optimise the level of painkillers | 1 | 1 |
Case ‘Pain’ | Group | |
---|---|---|
A (n = 71) | B (n = 58) | |
Unicompartmental knee prosthesis | 19 | 22 |
Valgus bracing of the knee | 15 | 13 |
Physiotherapy | 14 | 6 |
Intra-articular injection | 11 | 3 |
Knee arthroscopy | 3 | 11 |
High tibial osteotomy | 3 | 7 |
Lack of information | 1 | 7 |
No indication for TKR surgery | 7 | 1 |
Expand conservative treatment | 4 | 1 |
Optimise the level of painkillers | 2 | 3 |
Radiographs (stress view) | – | 4 |
MRI | 2 | 1 |
Watchful waiting | 3 | – |
Lateral heel lift | 1 | 1 |
Meniscectomy | 1 | – |
Case ‘Radiological OA’ | G | |
---|---|---|
A (n = 149) | B (n = 5) | |
Discrepancy: complaints versus ROA | 47 | Not applicablea
|
Intra-articular injection | 32 | |
MRI | 24 | |
Knee arthroscopy | 19 | |
Additional diagnostic testing | 17 | |
Expand conservative treatment | 17 | |
Physiotherapy | 12 | |
Valgus bracing of the knee | 7 | |
Bone scintigraphy | 5 | |
Lack of information | 5 | |
Radiographs (stress view) | 4 | |
Optimise the level of painkillers | 4 | |
X-ray (long leg) | 3 | |
Unicompartmental knee prosthesis | 2 | |
High tibial osteotomy | 1 | |
Expectations too high | 1 | |
Rheumatoid arthritis screening | 1 | |
Weight loss | 1 |