Skip to main content

Table 1 Characteristics of the included studies

From: Comparison of single and dual growing rods in the treatment of early onset scoliosis: a meta-analysis

Study Groups Patients (M/F) Age at surgery (year) Times Internal (month) Final fusion Diagnoses Follow-up (year or month)
Thompson, GH 2005 [10] Single 21 (8/13) 8.3 ± 2.2 < 10 14, >10 7 2.9 ± 1.5 7.1 ± 4.9 21 Idiopathic 9, neuromuscular 7, congenital 1, other 4 7.6 ± 2.8 years
Dual 7 (1/6) 7.0 ± 3.9 < 10 6, >10 1 6.1 ± 2.8 6.0 ± 0.4 7 Idiopathic 1, neuromuscular 1, congenital 1, other 4 6.0 ± 2.0 years
Sponseller, PD 2009 [15] Single 2 8.4 ± 1.4 N 12.7 ± 6.9 5 Marfan syndrome 9 102.5 ± 1.5 months
Dual 7 4.7 ± 2.3 82.6 ± 31.3 months
Bess, S 2010 [16] Single 71 (41/30) 6.5 4 (0–11) 9.9 (2–24) 36 Idiopathic 40, neuromuscular 52, congenital 24, other 24 65.3 (24–166) months
Dual 69 (30/39) 5.5 5 (2–13) 10.9 (5–33) 14 53.8 (24.7–126) months
Uzumcugil, O 2012 [18] Single 11 (3/8) 7.5 ± 0.9 5.0 ± 0.6 N N Idiopathic 16, congenital 4 2.8 (2–4.8) years
Dual 9 (2/7) 7.9 ± 1.3 4.1 ± 0.8 N N 2.3(2–3.1) years
Zhao, Y 2012 [17] Single 6 (2/4) <10 5, >10 1 N 6–12 4 Neuromuscular 1, congenital 24 31.9 (12–89) months
Dual 19 (6/13) <10 18, >10 1 2
Akgul, T 2014 [11] Single 15 (9/14) 7.5 ± 2.2 2.1 ± 1.14 13 (2–28) 9 Idiopathic 11, neuromuscular 2, congenital 10 43.6 ± 23.2 months
Dual 8 1 35.7 ± 14.6 months