Table 3 Statistical results for KOOS5 subdomains including mean, median, range, and standard deviation (SD), as well as first and third quartile (n = 23 after one year, n = 11 after two years). The number in the columns headings refers to the number of months postoperatively
Pain preOP | Pain3 | Pain12 | Pain24 | Sym preOP | Sym3 | Sym12 | Sym24 | ADL preOP | ADL3 | ADL12 | ADL24 | Sport preOP | Sport3 | Sport12 | Sport24 | QoL preOP | QoL3 | QoL12 | QoL24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Min | 16.7 | 13.9 | 30.6 | 33.3 | 21.4 | 10.7 | 28.6 | 32.1 | 26.5 | 11.8 | 38.2 | 36.8 | 0 | 0 | 5 | 5 | 0 | 0 | 12.5 | 12.5 |
Max | 75 | 83.3 | 97.2 | 100 | 78.6 | 89.3 | 89.3 | 96.4 | 79.4 | 94.1 | 97.1 | 100 | 45 | 75 | 90 | 95 | 43.8 | 75 | 87.5 | 81.3 |
Mean | 43.5 | 56.5 | 68.6 | 72.4 | 45.5 | 55.7 | 64.8 | 75 | 48.7 | 64.1 | 77 | 75.4 | 14.8 | 36.5 | 53.6 | 50 | 23.4 | 39.4 | 49.7 | 53.8 |
Standard deviation | 15.5 | 20.5 | 21.6 | 21.1 | 16.8 | 20 | 17.8 | 17.3 | 16.2 | 20.6 | 17.7 | 20 | 13.9 | 23 | 24.4 | 29.6 | 11.5 | 20.7 | 25.1 | 24.3 |
1st quartile (exclusive) | 33.3 | 50 | 55.6 | 61.1 | 28.6 | 39.3 | 57.1 | 71.4 | 36.8 | 50 | 64.7 | 60.3 | 0 | 20 | 37.5 | 23.8 | 12.5 | 25 | 25 | 34.4 |
Median | 41.7 | 58.3 | 66.7 | 69.4 | 46.4 | 57.1 | 67.9 | 78.6 | 48.5 | 67.6 | 76.5 | 76.5 | 12.5 | 35 | 55 | 52.5 | 25 | 43.8 | 43.8 | 59.4 |
3rd quartile (exclusive) | 50 | 75 | 91.7 | 97.2 | 60.7 | 71.4 | 82.1 | 82.1 | 57.4 | 80.9 | 95.6 | 94.1 | 26.3 | 55 | 75 | 80 | 31.3 | 56.3 | 75 | 76.6 |