Table 2.
Treatment Details and Outcomes Overall and by Study Group a
| Overall (N = 61) | Open Osteosuture (n = 32) | Arthroscopic Screw (n = 29) | Difference (95% CI) | Pb | |
|---|---|---|---|---|---|
| Primary fixation approach | NA | 32 (52.5) | 29 (47.5) | 5 (–12.8 to 22.3) | .593 |
| Immobilization time, wk | 4.5 ± 0.7 | 4.5 ± 0.6 | 4.5 ± 0.7 | NA | NA |
| No. of follow-up visits | 2.9 ± 2.1 | 1.9 ± 1.1 | 4 ± 2.4 | 2.1 (1.1 to 3.1) | <.001 |
| Reoperation by primary fixation | 9 (14.8) | 3 (9.4) | 6 (20.7) | 11.3 (–7.2 to 30.8) | .470 |
| Time to return to sport, wk | 13.0 ± 33.0 | 8.0 [8-12] c | 21.0 [12-36.3] c | 13.0 d | <.001 |
| Return to sport | |||||
| At preinjury level | 46 (75.4) | 26 (81.2) | 20 (69.0) | 12.2 (–9.7 to 33.9) | .255 |
| At a lower level | 9 (14.8) | 3 (9.4) | 6 (20.7) | 11.3 (–7.2 to 30.8) | .180 |
| Unable to return | 6 (9.8) | 3 (9.4) | 3 (10.3) | 0.9 (–18.7 to 15.8) | >.999 |
| Knee-specific recovery: IKDC/Pedi-IKDC (max: 100) | 90.9 ± 12.7 | 93.1 ± 13.5 | 90.4 ± 14.5 | 2.7 (–4.6 to 9.9) | .467 |
| Health-related quality of life: EQ-5D-5L/EQ-5D-Y e | |||||
| VAS of health today (max: 100) | 88.4 ± 11.3 | 85.4 ± 13.4 | 89.4 ± 10.5 | 4.0 (–2.2 to 10.1) | .200 |
| Mobility | |||||
| No problems (level 1) | 54 (88.5) | 30 (93.8) | 24 (82.8) | 11.0 (–5.9 to 29.5) | .144 |
| Any problems (level ≥2) | 7 (11.5) | 2 (6.2) | 5 (17.2) | ||
| Self-care | |||||
| No problems (level 1) | 60 (98.4) | 32 (100) | 28 (96.6) | 3.4 (–7.6 to 17.3) | .238 |
| Any problems (level ≥2) | 1 (1.6) | 0 (0) | 1 (3.4) | ||
| Usual activities | |||||
| No problems (level 1) | 54 (88.5) | 31 (96.9) | 23 (79.3) | 17.6 (1.7 to 36.9) | .025 |
| Any problems (level ≥2) | 7 (11.5) | 1 (3.1) | 6 (20.7) | ||
| Pain/discomfort | |||||
| No problems (level 1) | 40 (65.6) | 24 (75.0) | 17 (58.6) | 16.4 (–7.4 to 38.9) | .187 |
| Any problems (level ≥2) | 21 (34.4) | 8 (15.0) | 12 (41.4) | ||
| Anxiety/depression | |||||
| No problems (level 1) | 50 (82.0) | 28 (87.5) | 22 (75.9) | 11.6 (–8.2 to 32.0) | .238 |
| Any problems (level ≥2) | 11 (18.0) | 4 (12.5) | 7 (24.1) | ||
| Overall score | |||||
| No problems (level 1) | 35 (57.4) | 22 (68.8) | 13 (44.8) | 24 (–1.1 to 46.3) | .059 |
| Any problems (level ≥2) | 26 (42.6) | 10 (32.2) | 16 (55.2) |
a Data are reported as mean ± SD or No. (%) unless otherwise indicated. IKDC, International Knee Documentation Committee; EQ-5D-5L/Y, Euroqol 5 level Health-related questionaire 5L for >18 years old, Y for <18 years old; IQR, interquartile range; max, maximum; NA, not applicable; Pedi-IKDC, pediatric version (<18 years old) of International Knee Documentation Commitee (IKDC) subjective Knee Form; VAS, visual analog scale.
b Bold P values indicate statistically significant difference between study groups (P < .05). Standardized nominate deviation test used for proportions; t test used for means; and Mann-Whitney U test used for nonnormally distributed values (median and IQR).
c Median [IQR].
d 95% CI not applicable for the difference of medians.
e EQ-5D-5L levels: 1, no problems; 2, slight problems; 3, moderate problems; 4, severe problems; 5, extreme problems/unable to do. EQ-5D-Y levels: 1, no problems; 2, some problems; 3, a lot of problems.