Table 3 　 Pelvic parameters.

From: Four-dimensional anatomical spinal reconstruction using pre-bent rods in thoracic adolescent idiopathic scoliosis

 

SDRRT

ASR (Notched rods)

ASR (Notch-free rods)

Overall P value

Steel-Dwass P value

SDRRT

vs.

ASR (Notched rods)

SDRRT

vs.

ASR (Notch-free rods)

ASR (Notched rods)

vs.

ASR (Notch-free rods)

Preoperative Sacral slope (°)

38.7 ± 8.6 (24–61)

36.7 ± 9.8 (19–64)

35.7 ± 7.9 (20–59)

0.389

   

Postoperative Sacral slope (°)

36.5 ± 7.0 (24–50)

32.6 ± 7.8 (15–51)

33.0 ± 7.1 (20–55)

0.054

   

Final follow-up Sacral slope (°)

40.0 ± 8.2 (25–58)

38.4 ± 8.9 (18–66)

36.4 ± 7.8 (23–55)

0.155

   

Preoperative Pelvic incidence (°)

51.2 ± 10.8 (34–76)

50.4 ± 11.5 (26–72)

46.9 ± 11.9 (24–75)

0.217

   

Postoperative Pelvic incidence (°)

51.2 ± 10.8 (34–78)

48.5 ± 10.6 (28–70)

47.9 ± 10.9 (24–70)

0.440

   

Final follow-up Pelvic incidence (°)

50.9 ± 10.7 (34–79)

51.4 ± 13.0 (23–88)

48.3 ± 10.4 (24–67)

0.524

   

Preoperative Pelvic tilt (°)

12.5 ± 9.7 (− 13–36)

13.7 ± 8.8 (− 12–37)

11.2 ± 7.8 (− 10–27)

0.621

   

Postoperative Pelvic tilt (°)

15.0 ± 11.8 (− 9–40)

15.9 ± 7.9 (− 7–32)

14.9 ± 8.5 (− 2–33)

0.821

   

Final follow-up Pelvic tilt (°)

11.5 ± 10.1 (− 6–34)

13.0 ± 8.3 (− 1–43)

12.2 ± 8.5 (− 8–28)

0.835

   

Preoperative Pelvic incidence − Lumbar lordosis (°)

2.0 ± 13.4 (− 24–35)

−0.1 ± 11.2 (− 37 − 19)

−0.2 ± 12.0 (− 28 − 23)

0.856

   

Postoperative Pelvic incidence − Lumbar lordosis (°)

3.1 ± 14.3 (− 22–25)

3.3 ± 12.0 (− 31 − 26)

2.1 ± 12.6 (− 27 − 22)

0.971

   

Final follow-up Pelvic incidence − Lumbar lordosis (°)

−0.9 ± 13.4 (− 25–30

)

−4.1 ± 11.1 (− 33 − 32)

−5.3 ± 12.0 (− 28–28)

0.341

   
  1. Statistically significant (p < 0.05).
  2. All data expressed as means ± standard deviation and range. Kruskal-Wallis test and Steel-Dwass’s multiple comparison test.
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