From: Traditional growing rod for early-onset scoliosis in high-altitude regions: a retrospective study
Index | H-A groups | L-A groups | Total | P value |
---|---|---|---|---|
No. of patients | 23 | 36 | 59 | 0.492 |
Sex (male/female)(no.) | 10/13 | 14/22 | 24/35 | 0.726 |
Age at initial growing-rod implantation (year) | 8.17 ± 2.12 (5–14) | 9.36 ± 2.54 (5–14) | 8.9 ± 2.4 (5–14) | 0.064 |
Height (cm) | 110.39±11.14 (94–140) | 122.35±12.29 (95–141) | 94–141 (117.68 ± 13.14) | 0.00 |
Weight (kg) | 19.39 ± 5.05 (11–34) | 26.49±7.93 (13–45) | 23.72 ± 7.73 (11–45) | 0.00 |
BMI | 15.40 ± 2.15 (11.54–19.45) | 17.32 ± 3.10 (13.08–23.92) | 16.57 ± 2.91 (11.54–23.92) | 0.036 |
Diagnosis | 0.291 | |||
Idiopathic | 9 | 21 | 31 | |
Congenital | 10 | 8 | 18 | |
Neuromuscular | 4 | 6 | 10 | |
Syndromic | 0 | 1 | 1 | |
Duration of follow-up (months) | 54.72 ± 26.42 (24–111) | 45.65 ± 22.71 (24–132) | 51.91 ± 25.23 (24–132) | 0.18 |
Surgical procedures per patient (no.) | 89/3.87 | 145/4.03 | 234/3.97 | |
Patients with final fusion (no.) | 9 | 22 | 31 | 0.099 |
Single/dual rods (no.) | 6/17 | 30/6 | 36/23 | 0.00 |
Subcutaneous/submuscular (no.) | 12/11 | 18/18 | 30/29 | 0.871 |
Number of surgical procedures | 3.87 ± 1.36 (2–7) | 4.03 ± 1.93 (2–10) | 3.97 ± 1.72 (2–10) | 0.732 |
The average interval of operations (months) | 12.17 ± 2.59 (5–24) | 10.94 ± 3.15 (4–24) | 11.4 ± 3.0 (4–24) | 0.08 |