Table 4.
Post‐operative PROMs used to assess primary (patellar score) and secondary (KOOS) clinical outcomes. [Link] , a
| PROMs | ROCC (113 knees) | LCS (91 knees) | p |
|---|---|---|---|
| Patellar score | 26.9 (3.7) [14, 25.0, 29, 30, 30] b | 25.9 (3.9) [15, 23.5, 27, 29, 30] b | 0.059c |
| KOOS | |||
| Pain | 86.9 (16.4) [30.6, 79.9, 93.1, 100, 100] b | 84.5 (16.1) [30.6, 78.5, 88.9, 97.2, 100] b | 0.09c |
| Symptom | 86.8 (11.9) [53.8, 81.3, 89.3, 96.4, 100] b | 83.0 (13.9) [21.4, 75.0, 85.7, 92.9, 100] b | 0.04 c |
| ADL | 82.9 (16.0) [30.9, 76.1, 86.8, 94.1, 100] b | 80.4 (15.9) [23.5, 72.1, 83.8, 92.6, 100] b | 0.14c |
| Sports | 53.3 (30.9) [0, 30, 55, 80, 100] b | 45.8 (27.3) [0, 25, 45, 65, 100] b | 0.053c |
| QOL | 65.3 (27.7) [0, 50, 71.9, 81.3, 100] b | 61.1 (28.6) [0, 37.5, 68.8, 87.5, 100] b | 0.26c |
Note: p Values <0.05 are in bold.
Abbreviations: ADL, activity of daily living; KOOS, knee injury and osteoarthritis outcome score; LCS, low contact stress; PROM, patient‐reported outcome measure; QOL, quality of life; ROCC, rotating concave–convex.
a
Continuous variables are means (standard deviation) for normally distributed data and means (standard deviation) [minimum, 25th percentile, median, 75th percentile, maximum] for non‐normally distributed data.
b
Non‐normally distributed data.
c
Mann–Whitney U test.