Table 1.
Patient demographics and characteristics
| Study population n = 615 |
TKA n = 442 |
UKA n = 173 |
|
|---|---|---|---|
| Female (%) | 320 (52.0) | 240 (54.3) | 80 (46.3) |
| Age (SD) | 67.3 (9.7) | 67.9 (9.5) | 65.6 (9.9) |
| BMIa (SD) | 29.0 (4.5) | 29.1 (4.5) | 28.9 (4.2) |
| Alcohol > 24 g/daya | 36 (6.3) | 26 (6.2) | 10 (6.2) |
| Smoking (%)a | 82 (14.5) | 64 (15.3) | 18 (11.1) |
| Co-morbidity (%)a | 436 (72.2) | 320 (73.7) | 116 (69.0) |
| Operated bilateral (%)c | 61 (9.9) | 42 (9.5) | 19 (11.0) |
| SF-36 (PF)a(SD) | 19.0 (4.1) | 18.5 (4.1) | 20.1 (3.8) |
| EQ 5D (IQR)b | 0.723 (0.144) | 0.723 (0.129) | 0.723 (0.121) |
| OKS (SD) | 25 (6.3) | 24.4 (6.4) | 26.6 (6.7) |
| PCS (IQR) | 16 (17) | 17 (17) | 13 (14) |
Co-morbidity is defined as ≥1 diseases
aMissing data on 11 patients
bMissing data on 53 patients.
cPatients having two knee arthroplasties within 12 months