Table 1 Descriptive statistics for patient demographics
| Â | Values |
|---|---|
Patients, n | 99 |
Age, y | 23.9 ± 6.8 |
Sex | |
 Female, n (%) | 71 (71.7%) |
 Male, n (%) | 28 (28.3%) |
Body mass index | 22.4 ± 4.4 |
Follow-up, y | 2.45 ± 1.33 |
Side of patellar dislocation, n (%) | |
 Left | 52 (52.5%) |
 Right | 47 (47.5%) |
Symptom duration, mo | 56.7 ± 77.6 |
TT-TG distance, mm | 19.3 ± 4.3 |
Dejour none/A/B/C/D | 4/5/35/26/29 |
Insall-Salvati ratio | 1.4 ± 0.4 |
Lateral patellar tilt, deg | 30.6 ± 10.7 |
Sulcus angle, deg | 153.7 ± 8.8 |
Serum calcium, mmol/L | 2.29 ± 0.11 |