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Table 1 Evaluation of the outcome in staged surgical methods for severe rigid scoliosis

From: Staged surgical treatment for severe and rigid scoliosis

Group Cases Age Pre-OP
Cobb
Suspension
Cobb
Flexibility PO-Traction
Cobb
Traction
Rate
PO-OP
Cobb
Correction
rate(%)
Staged
Operation
12 4~23
(14.4)
80~145°
(112.5°)*
70~133°
(94.1°)
1.5~27.3%
(14.9%)
40~89°
(60.0°)
23.9~63.9%
(47.8%)
22~58°
(40.6°)
50.4~79.5%
(65.4%)
Staged+
Osteotomy
9 6~21
(16.8)
90~132°
(107.5°)
78~124°
(95.5°)
5.6~16.1%
(10.1%)
46~85°
(65.0°)
27.8~54.9%
(38.9%)
30~49°
(37.5°)
59.3~72.3
(65.0%)
Total 21 4~23
(15.3)
80~145°
(110.5°)
70~133°
(94.5°)
1.5~27.3%
(13.0%)
40~89°
(62.0°)
23.9~63.9%
(44.2%)
22~73°
(39.4°)
39.8~79.5%
(65.2%)
  1. *Significant difference (p < 0.05) between two groups in the flexibility of the spine and no significant difference in age, Cobb angle and correction rate.
  2. Number in sign of aggregation is average value.
  3. ▲ Flexibility degree = (Pre-OP Cobb- Hang-up Cobb)/Pre-OP Cobb*100%