Table 1.

The SA, LL and CTA in the lumbar fusion and control group were similar without a statistically significant difference. The Harris hip score before THA was higher in the control group than in the fusion group

	Mean(°)	95% CI	t value	P
SA
Fusion	24.3	19.4–29.1	1.99	0.06
Control	30.1	26.2–34.0
LL
Fusion	31.4	31.3–40.5	1.12	0.27
Control	35.9	24.2–38.6
CTA
Fusion	1.4	−1.1–2.6	−0.66	0.52
Control	0.71	0.3–2.6
Harris score
Fusion	50.9	45.6–56.2	2.29	0.03
Control	57.8	54.2–61.2