Table 2:
Means, standard deviations, and percentage at ceiling for each PROM by time point.
| Time point | Outcome | N | Mean | Std. Deviation | Effect size | Percentage at ceiling |
|---|---|---|---|---|---|---|
| Pre | KOS-ADLS | 216 | 84.5 | 10.3 | n/a | 3% |
| GRS | 216 | 77.6 | 14.7 | n/a | 6% | |
| IKDC-SKF | 210 | 69.6 | 12.6 | n/a | 0% | |
| KOOS-Pain | 69 | 84.0 | 10.8 | n/a | 6% | |
| KOOS-Symptom | 69 | 75.8 | 13.5 | n/a | 7% | |
| KOOS-ADL | 69 | 93.5 | 7.4 | n/a | 23% | |
| KOOS-Sport/Rec | 69 | 66.5 | 18.7 | n/a | 1% | |
| KOOS-QOL | 69 | 51.0 | 19.1 | n/a | 0% | |
| Post | KOS-ADLS | 202 | 89.5 | 8.6 | 0.49 | 8% |
| GRS | 202 | 83.3 | 14.3 | 0.39 | 8% | |
| IKDC-SKF | 188 | 76.8 | 12.8 | 0.57 | 1% | |
| KOOS-Pain | 67 | 89.0 | 8.9 | 0.46 | 15% | |
| KOOS-Symptom | 67 | 83.7 | 12.1 | 0.59 | 4% | |
| KOOS-ADL | 67 | 97.1 | 3.7 | 0.48 | 39% | |
| KOOS-Sport/Rec | 67 | 74.4 | 16.1 | 0.42 | 4% | |
| KOOS-QOL | 67 | 54.7 | 18.8 | 0.20 | 0% | |
| 6m | KOS-ADLS | 198 | 91.4 | 9.6 | 0.67 | 14% |
| GRS | 195 | 84.7 | 15.9 | 0.49 | 9% | |
| IKDC-SKF | 188 | 82.6 | 12.5 | 1.03 | 4% | |
| KOOS-Pain | 66 | 91.0 | 8.5 | 0.65 | 23% | |
| KOOS-Symptom | 66 | 83.8 | 12.2 | 0.60 | 8% | |
| KOOS-ADL | 66 | 96.8 | 5.1 | 0.44 | 47% | |
| KOOS-Sport/Rec | 66 | 72.7 | 20.2 | 0.34 | 6% | |
| KOOS-QOL | 66 | 58.1 | 20.0 | 0.37 | 3% | |
| 12m | KOS-ADLS | 184 | 93.4 | 8.7 | 0.86 | 20% |
| GRS | 184 | 92.1 | 10.5 | 1 | 21% | |
| IKDC-SKF | 181 | 89.2 | 11.8 | 1.54 | 11% | |
| KOOS-Pain | 66 | 92.6 | 8.7 | 0.80 | 27% | |
| KOOS-Symptom | 66 | 86.1 | 14.7 | 0.77 | 17% | |
| KOOS-ADL | 66 | 98.0 | 4.8 | 0.60 | 59% | |
| KOOS-Sport/Rec | 66 | 80.6 | 20.0 | 0.76 | 14% | |
| KOOS-QOL | 66 | 70.8 | 19.7 | 1.04 | 6% | |
| 24m | KOS-ADLS | 166 | 94.0 | 8.1 | 0.92 | 28% |
| GRS | 166 | 93.8 | 8.2 | 1.11 | 31% | |
| IKDC-SKF | 166 | 90.7 | 11.1 | 1.66 | 22% | |
| KOOS-Pain | 63 | 93.9 | 9.6 | 0.92 | 43% | |
| KOOS-Symptom | 63 | 90.0 | 11.7 | 1.05 | 21% | |
| KOOS-ADL | 63 | 98.2 | 5.1 | 0.63 | 68% | |
| KOOS-Sport/Rec | 63 | 84.2 | 17.7 | 0.95 | 30% | |
| KOOS-QOL | 63 | 75.2 | 20.9 | 1.26 | 13% | |
| 60m | KOS-ADLS | 169 | 93.3 | 9.2 | 0.86 | 24% |
| GRS | 169 | 91.9 | 12.1 | 0.98 | 30% | |
| IKDC-SKF | 169 | 88.8 | 12.4 | 1.52 | 13% | |
| KOOS-Pain | 60 | 93.4 | 8.4 | 0.87 | 40% | |
| KOOS-Symptom | 60 | 88.6 | 13.0 | 0.95 | 20% | |
| KOOS-ADL | 60 | 98.0 | 4.9 | 0.60 | 70% | |
| KOOS-Sport/Rec | 60 | 84.6 | 18.6 | 0.97 | 32% | |
| KOOS-QOL | 60 | 73.7 | 21.3 | 1.18 | 8% |