Table 6.

MANOVA analysis with LDI as independent variable, on change in ODI from preoperatively to 12 months after surgery.

Model:	p
1	0.65
2	0.83
3	0.82

Model 1: Unadjusted.

Model 2: Adjusted for sex and age.

Model 3: Adjusted for sex, age, smoking status, CCI, BMI and surgical indication.

Abbreviations: LDI: Lordosis distribution Index, ODI: Oswestry disability Index, CCI: Charleston Comorbidity Index, BMI: Body Mass index.