Table 4.
Results for infection (group 1) and control (group 2) groups
| Group 1 (24 patients) | Group 2 (24 patients) | P value* | ||
|---|---|---|---|---|
| Follow-up duration in months (range) | 59 ± 21 (18–96) | 55 ± 21 (18–96) | 0.57 | |
| Operative duration (min) | 74 ± 14 | 71 ± 11 | 0. 42 | |
| Tegner activity acale | Preoperative | 8 (7–9) | 8 (7–8) | 0.48 |
| Postinjury | 3 (2–4)*** | 3 (2.25-4)*** | 0.89 | |
| 1 year | 5.5 (4–7)*** | 7 (6–8)*** | 0.001 | |
| Final | 5.5 (4–7) | 7 (6–8) | 0.004 | |
| P value** | <0.017 | <0.017 | ||
| IKDC ranking | Preoperative | 3.5 (3–4) | 4 (3–4) | 0.57 |
| 1 year | 2 (1–2)*** | 2 (1–2)*** | 0.82 | |
| Final | 2 (1–2.75) | 1.5 (1–2) | 0.35 | |
| P value** | <0.025 | <0.025 | ||
| Radiographic IKDC | Preoperative | 1 (1–1) | 1 (1–1) | 0.99 |
| 1 year | 1 (1–1) | 1 (1–1) | 0.99 | |
| Final | 1 (1–2)*** | 1 (1–1) | 0.09 | |
| P value** | <0.025 | <0.025 | ||
| Modified Lysholm score | Preoperative | 61(55–69) | 60 (57–63) | 0.68 |
| 1 year | 87.5(76–95)*** | 89 (85–95)*** | 0.08 | |
| Final | 85(72–93) | 90 (83–95) | 0.10 | |
| P value** | <0.025 | <0.025 | ||
| KOOS Score | KOOS symptoms | 86 (69–89) | 87 (76–95) | 0.39 |
| KOOS pain | 82 (75–93) | 89 (84–97) | 0.07 | |
| KOOS daily | 96 (82–99) | 96 (91–99) | 0.28 | |
| KOOS sports | 90 (65–99) | 95 (86–99) | 0.45 | |
| KOOS QOL | 84 (63–100) | 100 (77–100) | 0.20 | |
| Percentage(%) of improvement of modified Lysholm score | 32.4 % ± 33 | 47.4 % ± 19.8 | 0.07 | |
Data are median (25–75th percentile) or mean ± standard deviation, except where stated
IKDC International Knee Documentation Committee, KOOS Knee Injury and Osteoarthritis Outcome Score, QOL quality of life
* Student t test, Mann–Whitney U test, or Kruskall–Wallis test used as appropriate
** Friedman test with post hoc analysis
*** Significantly different from the preceding time period