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Table 4 Pelvic parameters in all patients and between the two groups

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

Index H-A group L-A group Total P value
Pelvic incidence
 Preoperation (°) 38 ± 12.45 (16–64) 40.34 ± 10.65 (19.2–58.8) 39.43 ± 11.24 (16–64) 0.786
 Postoperation (°) 43.25 ± 8.86 (21.7–62) 38.41 ± 11.92 (16.3–60) 40.29 ± 11.01 (16.3–62) 0.459
 Last follow-up (°) 40.05 ± 8.87 (19.3–53.4) 39.88 ± 11.85 (15.2–64.3) 39.95 ± 10.71 (15.2–64.3) 0.476
Pelvic tilt
 Preoperation (°) 5.83 ± 11.71 (− 18–11.7) − 9.2 ± 46.4 (8.86–11.31) 7.68 ± 11.46 (− 18–46.4) 0.786
 Postoperation (°) 9.36 ± 9.26 (−10.3–28.3) 7.03 ± 13.02 (−10.3–28.3) 7.94 ± 11.67 (−22.6–28.3) 0.459
 Last follow-up (°) 4.43 ± 11.2 (− 13.5–37) 6.37 ± 9.56 (− 15–30.5) 5.62 ± 10.1(− 15–37) 0.476
Sacral slope
 Preoperation (°) 32.17 ± 9.26 (12.7–46.1) 32.79 ± 5.64 (20–42.6) 32.54 ± 7.2 (12.7–46.1) 0.750
 Postoperation (°) 33.89 ± 6.37 (18–48) 31.37 ± 8.81 (10–46.4) 32.35 ± 7.99 (10–48) 0.24
 Last follow-up (°) 35.62 ± 7.29 (12.4–47.2) 33.51 ± 7.82 (18.2–50) 34.33 ± 7.62 (12.4–50) 0.302
Sagittal balance
 Preoperation (mm) 23.09 ± 19.35 (0–60.61) 34.99 ± 26.39 (0–103.26) 30.35 ± 24.42 (0–103.26) 0.09
 Postoperation (mm) 34.26 ± 26.54 (4.67–95.29) 31.61 ± 23.62 (4.15–107.91) 30.35 ± 24.42 (4.15–107.91) 0.926
 Last follow-up (mm) 35.72 ± 23.11 (4.19–91.09) 35.69 ± 28.97 (0–109.21) 35.70 ± 26.63 (0–109.21) 0.997
Coronal balance
 Preoperation (mm) 19.27 ± 18.49 (4.09–73.76) 34.8 ± 27.7 (0–102.76) 28.75 ± 25.52 (0–102.76) 0.019
 Postoperation (mm) 27.29 ± 26.06 (4.09–73.76) 24.84 ± 18.51 (2.92±73.32) 25.8 ± 21.58 (2.05–111.87) 0.804
 Last follow-up (mm) 23.38 ± 17.36 (4.53–66.01) 20.91 ± 15.87 (0–72.76) 21.88 ± 16.37 (0–72.76) 0.577