Table II.
Demographic and patient information.
| Variable | All patients (n = 400) | Hip arthroplasty (n = 236) | Knee arthroplasty (n = 164) |
|---|---|---|---|
| Median age, yrs (IQR) | 72.0 (64.0 to 77.0) | 71.0 (60.8 to 78.0) | 73.0 (66.0 to 77.0) |
| Female, n (%) | 249 (62.3) | 153 (64.8) | 96 (58.5) |
| Previous hip arthroplasty, n (%) | 72 (18.0) | 55 (23.3) | 17 (10.4) |
| Previous knee arthroplasty, n (%) | 85 (21.3) | 20 (8.5) | 65 (39.6) |
| Either previous hip or knee arthroplasty, n (%) | 145 (36.3) | 69 (29.2) | 76 (46.3) |
| Mean time on waiting list, days (SD) | 272.3 (86.4) | 272.5 (86.1) | 272.0 (87.1) |
| COVID-19 risk status, n (%) | |||
| High | 47 (12.1) | 31 (13.5) | 16 (9.9) |
| Medium | 30 (7.7) | 11 (4.8) | 19 (11.8) |
| Low | 6 (1.5) | 3 (1.3) | 3 (1.9) |
| Not known | 307 (78.7) | 184 (80.3) | 123 (76.4) |
| Personal or family history of COVID-19, n (%) | 24 (6.2) | 17 (7.4) | 7 (4.3) |
| Median PROMs (IQR) | |||
| EQ-VAS | 50 (30.0 to 70.0) | 45.0 (26.0 to 67.5) | 60.0 (40.0 to 56.4) |
| EQ-5D-3L index | 0.085 (-0.074 to 0.587) | -0.016 (-0.074 to 0.516) | 0.159 (-0.016 to 0.620) |
| Oxford Hip Score | N/A | 11.0 (8.0 to 20.0) | N/A |
| Oxford Knee Score | N/A | N/A | 15.0 (10.0 to 22.0) |
EQ-5D-3L, EuroQoL five-dimension three-level questionnaire; EQ VAS, EuroQol visual analogue scale; IQR, interquartile range; N/A, not applicable; PROMs, patient-reported outcome measures; SD, standard deviation.