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Table 5 Radiological results in all patients and between groups

From: Traditional growing rod for early-onset scoliosis in high-altitude regions: a retrospective study

  H-A group L-A group Total P value
Cobb angle
 Preoperation (°) 98.33 ± 22.88 (52.9–130.5) 87.83 ± 19.46 (47.1–126.2) 91.92 ± 21.3 (47.1–130.5) 0.064
 Postoperation (°) 54.28 ± 18.05 (16.1–103.0) 52.96 ± 17.52 (23.2–90.6) 53.48 ± 17.59 (16.2–103) 0.013
 Last follow-up (°) 48.4 ± 18.46 (5.1–73.5) 47.56 ± 16.06 (17.5–81.3) 47.89 ± 16.89 (5.1–81.3) 0.853
 Cobb initial correction rate 45.07% ± 13.12% (10–69%) 39.6% ± 14.49% (17–66%) 41.73% ± 14.12% (10–69%) 0.025
Thoracic kyphosis
 Preoperation (°) 81.37 ± 31.92 (6–145.4) 54.14 ± 25.19 (4.4–102.8) 64.76 ± 30.8 (4.4–145.4) 0.001
 Postoperation (°) 43.57 ± 19.55 (13–75.9) 31.53 ± 17.93 (5–83.3) 36.22 ± 19.34 (5–83.30) 0.018
 Last follow-up (°) 50.1 ± 20.56 (16.5–81.5) 38 ± 17.25 (9.7–82.5) 42.72 ± 19.37 (9.7–82.5) 0.018
Lumbar lordosis
 Preoperation (°) 68.53 ± 20.14 (30–107) 55.22 ± 15.08 (25.1–91.1) 60.41 ± 18.27 (25.1–107) 0.005
 Postoperation (°) 49.8 ± 14.33 (25.9–73.1) 45.21 ± 14.6 (10–72.2) 47 ± 14.54 (10–73.1) 0.266
 Last follow-up (°) 49.8 ± 14.33 (25.9–73.1) 50.32 ± 11.67 (23.1–69.5) 47 ± 14.54 (10–73.1) 0.353
T1–S1 height
 Preoperation (mm) 228.82 ± 48.55 (160.41–318.06) 260.88 ± 46.06 (154.68–359.75) 248.38 ± 49.23 (154.68–359.75) 0.013
 Postoperation (mm) 298.61 ± 37.75 (212.71–381.07) 321.79 ± 50.09 (198.96–425.52) 312.75 ± 46.74 (198.96–425.52) 0.063
 Last follow-up (mm) 341.25 ± 47.46 (263.93–464.87) 367.08 ± 51.93 (254.93–465.51) 357.01 ± 51.41 (254.93–465.51) 0.059
 T1–S1 initial increasing rate 33.62% ± 19.74% (6–79%) 24,25% ± 11.66% (10–55%) 27.9% ± 15.84% (6%–79%) 0.025
T1–T12 height
 Preoperation (mm) 128.26 ± 31.54 (68.1–190.48) 153.34 ± 35.96 (69.3–224.6) 143.56 ± 36.19 (68.1–224.6) 0.008
 Postoperation (mm) 179.68 ± 28.53 (106.24–237.91) 189.85 ± 38.83 (87.88–261.91) 185.88 ± 35.26 (87.88–261.91) 0.284
 Last follow-up (mm) 204.82 ± 33.35 (144.8–259.06) 216.88 ± 39.15 (123.35–292.06) 212.18 ± 37.14 (123.35–292.06) 0.227
 T1–T12 initial increasing rate 45.37% ± 32.12% (9–159%) 25.49% ± 15.42% (3–84%) 33.24% ± 25.11% (3–159%) 0.002