Table 1 Demographics
Descriptive items | Mean ± SD or Number (%) |
|---|---|
Sex | |
 Male | 6 (25.0%) |
 Female | 18 (75.0%) |
Diagnosis | |
 Idiopathic | 10 (41.7%) |
 Congenital | 9 (37.5%) |
 Other | 5 (20.8%) |
Age (implantation) (year) | 9.8 ± 2.3 |
Age (fusion) (year) | 13.0 ± 1.5 |
Risser sign (implantation) (0/1) | |
 0 | 21 (87.5%) |
 1 | 3 (12.5%) |
Risser sign (fusion) (4/5) | |
 4 | 4 (16.7%) |
 5 | 20 (83.3%) |
Treatment duration (year) | 3.2 ± 1.4 |
No. of lengthening surgeries | 2.5 ± 1.5 |
Implantation rod(s) | |
 Single | 19 (79.2%) |
 Dual | 5 (20.8%) |
UIV (Growing rods) | |
 T2 and above | 16 (66.7%) |
 T3 and below | 8 (33.3%) |
UIV (Fusion) | |
 T2 and above | 14 (58.3%) |
 T3 and below | 10 (41.7%) |
LIV (Growing rods) | |
 L3 and above | 10 (41.7%) |
 L4 and below | 14 (58.3%) |
LIV (Fusion) | |
 L3 and above | 17 (70.8%) |
 L4 and below | 7 (29.2%) |
Upper instrument (Growing rods) | |
 Hook/hybrid | 16 (66.7%) |
 No hook | 8 (33.3%) |
Upper instrument (Fusion) | |
 Hook/hybrid | 5 (20.8%) |
 No hook | 19 (79.2%) |