From: Outcomes of surgical treatment of patellar instability in children with Down syndrome
 |  | Preoperative | At final follow-up | P value |
---|---|---|---|---|
N = 12 | N = 12 | |||
Kujala score | Range Mean ± SD | (31–74) 52.6 ± 14.3 | (88–98) 92.2 ± 4.4 | < 0.001* |
Modified Lysholm | Range Mean ± SD | (39–62) 54.3 ± 8.1 | (82–96) 92.4 ± 5.3 | < 0.001* |