Table 2 Correlations between changes in spinal sagittal and coronal lower extremity parameters.

From: Examination of the changes in lower extremities related to progression of adult spinal deformity: a longitudinal study of over 22 years

 

∆FTA

∆HKA

∆mLDFA

∆mMPTA

∆mLDTA

∆LL

− 0.404**

(P < 0.001)

− 0.287*

(P = 0.029)

− 0.181

(P = 0.174)

0.109

(P = 0.416)

0.258

(P = 0.05)

∆SS

− 0.221

(P = 0.095)

− 0.168

(P = 0.208)

− 0.176

(P = 0.187)

0.048

(P = 0.723)

0.22

(P = 0.097)

∆PI

0.095

(P = 0.477)

0.212

(P = 0.109)

− 0.113

(P = 0.397)

0.128

(P = 0.339)

0.053

(P = 0.691)

∆PT

0.205

(P = 0.124)

0.308*

(P = 0.019)

0.004

(P = 0.978)

0.14

(P = 0.295)

− 0.18

(P = 0.176)

∆SVA

0.303*

(P = 0.021)

0.159

(P = 0.234)

0.03

(P = 0.822)

0.196

(P = 0.14)

0.078

(P = 0.56)

∆PI-LL

0.449**

(P < 0.001)

0.412**

(P < 0.001)

0.056

(P = 0.677)

0.006

(P = 0.961

− 0.243

(P = 0.066)

  1. LL lumbar lordosis, SS sacral slope, PI pelvic incidence, PT pelvic tilt, SVA sagittal vertical axis, FTA femorotibial angle, HKA hip–knee–ankle angle, mLDFA mechanical lateral distal femoral angle, mMPTA mechanical medial proximal tibial angle, mLDTA mechanical lateral distal tibial angle.
  2. **P < 0.01, *P < 0.05.
Back to article page