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Table 2 Results of radiologic parameters measure by EOS system

From: Gravity center estimation for evaluation of standing whole body compensation using virtual barycentremetry based on biplanar slot-scanning stereoradiography - validation by simultaneous force plate measurement

 

Normal (n = 10)

Degenerative (n = 10)

Deformative (n = 10)

 

mean ± SE (95% CI)

p-value

mean ± SE (95% CI)

p-value

mean ± SE (95% CI)

Parameter

vs. Degenerative

vs. Deformative

ANOVA

p-value

vs. Deformative

CAM-GL (cm)

0.7 ± 0.9 (−1.2/2.5)

0.20

−1.0 ± 0.9 (−2.9/0.8)

0.68

0.6 ± 0.9 (−1.2/2.5)

0.32

0.98

TPA (°)

2.7 ± 4.4 (−6.3/11.3)

< 0.01

19.5 ± 4.4 (10.5/28.5)

0.89

18.2 ± 4.4 (9.2/27.2)

< 0.05

0.23

C2–7 lordosis (°)

−3.6 ± 4.7 (−13.2/6.0)

0.23

4.4 ± 4.7 (−5.2/13.9)

0.99

6.3 ± 4.7 (−3.3/15.8)

0.30

0.66

TK (°)

44.3 ± 3.8 (36.5/52.2)

0.05

32.3 ± 3.8 (24.4/40.1)

0.98

33.4 ± 3.8 (25.5/41.2)

0.07

0.34

LL (°)

61.0 ± 5.1 (50.6/71.4)

< 0.01

39.8 ± 5.1 (29.4/50.2)

0.92

35.8 ± 5.1 (25.3/46.2)

< 0.01

< 0.05

PI (°)

49.9 ± 3.4 (42.9/56.9)

0.38

55.0 ± 3.4 (48.0/62.0)

0.34

49.0 ± 3.4 (42.0/56.0)

0.41

0.99

PI-LL (°)

−11.1 ± 5.9 (−23.3/1.1)

< 0.01

15.2 ± 5.9 (3.0/27.4)

0.98

13.2 ± 5.9 (1.1/25.4)

< 0.01

0.08

SS (°)

44.4 ± 2.9 (38.5/50.3)

< 0.05

31.9 ± 2.9 (26.0/37.8)

0.84

29.8 ± 2.9 (23.9/35.7)

< 0.01

< 0.05

PT (°)

5.5 ± 3.7 (−2.1/13.1)

< 0.01

23.1 ± 3.7 (15.5/30.7)

0.68

19.2 ± 3.7 (11.6/26.8)

< 0.01

0.15

Knee flexion (°)

0.6 ± 2.3 (−4.0/5.2)

1.00

1.0 ± 2.3 (−3.6/5.6)

0.20

8.5 ± 2.3 (3.8/13.1)

< 0.05

0.18

  1. Mean ± SD Mean value ± standard error, 95% CI 95% confidence intervals, CAM-GL Offset between the center of the acoustic meati (CAM) and gravity line (GL) using the force plate measurement, TPA: T1 pelvic angle. Sum of T1 inclination on the hip axis and pelvic tilt (PT) [13], TK thoracic kyphosis between T1 cranial endplate and T12 caudal endplate. LL lumbar lordosis between L1 cranial endplate and base of sacrum, PI: pelvic incidence, SS sacral slope. All the parameters except sex were compared using analysis of variance analysis followed by a post-hoc test (Tukey-Kramer’s HSD)