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. 2019 Mar;33(3):265–272. [Article in Chinese] doi: 10.7507/1002-1892.201807077

表 3.

Correlation analysis between sagittal parameters of lower lumbar spine and pelvis in each group before operation (coefficient r)

术前各组下腰段脊柱-骨盆矢状位参数间Pearson相关系数

参数 Parameter	单节段 Single segment					双节段 Double segments
参数 Parameter	PI	SS	C₇ SVA	TPA		PI	SS	C₇ SVA	TPA
^* P<0.05
LL	0.301^*	0.413^*	0.160	0.423^*		0.353^*	0.433^*	0.198	0.386^*
PI	—	0.722^*	0.374^*	0.248^*		—	0.726^*	0.245^*	0.291^*
SS		—	0.314^*	0.364^*			—	0.263^*	0.431^*
C₇ SVA			—	0.075				—	0.045

参数 Parameter	三节段 Three segments					四节段 Four segments
参数 Parameter	PI	SS	C₇ SVA	TPA		PI	SS	C₇ SVA	TPA
LL	0.372^*	0.444^*	0.060	0.144		0.354^*	0.437^*	–0.120	0.159
PI	—	0.720^*	–0.072	–0.039		—	0.744^*	–0.074	–0.051
SS		—	0.046	–0.050			—	–0.010	–0.056
C₇ SVA			—	0.025				—	0.005