Table 2.
Patient reported outcome measures at all timepoints
| Timepoint | |||||||
|---|---|---|---|---|---|---|---|
| Pre-op | 3 month | 1 year | 3 year | 5 year | 10 years | ||
| OKS, mean (SD) | Conventional | 16.2 (6.4) | 27.5 (10) | 31.9 (10.6) | 31.7 (11.3) | 35.2 (9.5) | 35.1 (9.7) |
| Navigated | 16 (6.3) | 31.7 (8.8) | 33.6 (8.9) | 30.3 (11.3) | 35.3 (9.3) | 36.3 (9.7) | |
| p value | 0.891 | 0.002** | 0.217 | 0.412 | 0.990 | 0.553 | |
| AKSS, knee mean (SD) | Conventional | 40.5 (16.3) | 69.1 (17.6) | 78.7 (16.9) | 83.1 (18.3) | 86.1 (17.5) | 84.2 (17.4) |
| Navigated | 41.7 (13) | 72.9 (15.1) | 81.4 (12.7) | 83.8 (14) | 87.2 (17.1) | 84.1 (18.8) | |
| p value | 0.594 | 0.110 | 0.280 | 0.814 | 0.691 | 0.956 | |
| AKSS, function mean (SD) | Conventional | 45.7 (14.5) | 56.3 (20.2) | 65.9 (22.9) | 72.3 (20.9) | 70.9 (22.7) | 68.6 (22.3) |
| Navigated | 46.7 (15.4) | 62.9 (18.1) | 70.7 (20.9) | 67.7 (21.2) | 68.6 (21.2) | 63.6 (31.2) | |
| p value | 0.678 | 0.032* | 0.123 | 0.275 | 0.538 | 0.28 | |
| ROM, mean (SD) | Conventional | 105.4 (17.6) | 97.6 (17.8) | 107.3 (14.5) | 108.6 (15.9) | 116.2 (12.0) | 114.5 (12.9) |
| Navigated | 105.7 (12.8) | 101.5 (12.1) | 109.8 (12.7) | 109.6 (11.6) | 117.4 (11.3) | 118.8 (9.5) | |
| p value | 0.881 | 0.050* | 0.224 | 0.707 | 0.643 | 0.182 | |
| SF-36 physical, mean (SD) | Conventional | 31.1 (10.3) | – | 51.0 (25.9) | 52.2 (29.4) | 50.0 (24.4) | 44.3 (26.4) |
| Navigated | 30.9 (12.5) | – | 53.1 (26.4) | 51.9 (27.1) | 46.2 (26.8) | 47.2 (26.6) | |
| p value | 0.963 | – | 0.565 | 0.949 | 0.346 | 0.574 | |
| SF-36 mental, mean (SD) | Conventional | 45.4 (16.7) | – | 64.3 (23.3) | 62.8 (23.9) | 63.3 (25.5) | 60.2 (22.5) |
| Navigated | 45.3 (17.5) | – | 62.6 (24.8) | 61.1 (22.3) | 64.5 (24.6) | 62.9 (21.6) | |
| p value | 0.979 | – | 0.621 | 0.729 | 0.757 | 0.596 | |
*p < 0.05, and **p < 0.01