Table 3.
Radiological Measurements a
| Preoperative | Immediately Postoperative | 24 mo | 60 mo | |
|---|---|---|---|---|
| MIS ratio | 1.71 ± 0.17 b | 1.59 ± 0.11 b , c | 1.60 ± 0.13 c , d | 1.61 ± 0.14 c , d |
| Congruence angle, deg | 5.7 ± 13.9 b | −6.7 ± 6.8 b , c | −6.8 ± 6.7 c , d | −6.6 ± 6.3 c , d |
| Lateral patellofemoral angle, deg | 3.0 ± 7.5 b | 5.9 ± 4.8 b , c | 5.9 ± 4.9 c , d | 5.8 ± 4.8 c , d |
| Iwano osteoarthritis classification, grade 0/1/2/3/4, n | 24/2/1/0/0 | 24/2/1/0/0 | 24/2/1/0/0 | 24/2/1/0/0 |
a
Data are presented as mean ± SD unless otherwise indicated. MIS, modified Insall-Salvati.
b
Each paired letter indicates a statistically significant difference between values (P < .001).
c
Each paired letter indicates no statistically significant difference between values (P > .05).
d
Each paired letter indicates no statistically significant difference between values (P > .05).