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Table 5 The risk factors of various clusters compared to type I group by multinomial logistic regression analysis

From: A novel classification on degenerative thoracolumbar kyphosis based on sagittal spino-pelvic alignment: should the thoracolumbar segments be intervened?

 

Type II

Type III

Type IV

B

P

RR (95% CI)

B

P

RR (95% CI)

B

P

RR (95% CI)

BMI(kg/m2)

0.076

0.247

1.079[0.949,1.228]

0.130

0.082

1.139[0.983,1.320]

-0.013

0.825

0.987[0.880,1.107]

OP (Y vs. N)

2.129

0.001

8.410[2.424,29.146]

0.321

0.558

1.378[0.471,4.035]

0.787

0.231

2.198[0.606,7.972]

Gender (M vs. F)

0.115

0.863

1.122[0.305,4.130]

0.116

0.840

1.123[0.363,3.472]

0.699

0.346

2.011[0.470,8.608]

Age (y)

         

50~

-1.095

0.192

0.335[0.065,1.731]

-1.168

0.143

0.311[0.065,1.484]

0.136

0.883

1.145[0.190,6.912]

60~

-1.005

0.142

0.366[0.096,1.401]

-0.655

0.255

0.519[0.168,1.606]

-0.138

0.860

0.871[0.188,4.041]

70~

0a

-

-

0a

-

-

0a

-

-

PI (°) (L vs. H)

0.884

0.174

2.421[0.677,8.665]

0.817

0.147

2.264[0.751,6.823]

-1.072

0.085

0.342[0.101,1.157]

PI-LL (°) (B vs. IB)

-2.309

0.001

0.099[0.027,0.369]

0.820

0.175

2.272[0.694,7.439]

-2.273

0.002

0.103[0.024,0.437]

PT (°) (B vs. IB)

1.190

0.079

3.286[0.869,12.416]

0.671

0.289

1.956[0.565,6.767]

-0.274

0.675

0.760[0.211,2.737]

  1. Footnote: BMI: body mass index; OP: osteoporosis; SVA: sagittal vertical axis; LL: lumbar stenosis; PI: pelvic incidence; L: low PI; H: high PI; PT: pelvic tilt; B: balance; IB: imbalance
  2. a: the data of “70~” subgroup was seen as the control subgroup among all age groups