From: Bilateral apical vertebral derotation technique by vertebral column manipulation compared with vertebral coplanar alignment technique in the correction of lenke type 1 idiopathic scoliosis
Group A*
Group B*
Instrumented level (N ± SD)
12.1±1.5
11.8±1.8
Implant density (% ± SD)
55.7±5.6
53.8±8.3
Operation time (min ± SD)
157±54
168±65
Intraoperative blood loss (ml ± SD)
664±269
687±248