Table 1

Patient demographics and surgery data.

Variable	O-Arm Group (n = 62)	Surgivisio Group (n = 61)	P Value
Variable	O-Arm Group (n = 62)	Surgivisio Group (n = 61)	P Value	Sex ratio, men/women	24/38	24/37	>0.99^{^a}
Age, y	75 ± 11 (43–90)	69 ± 14 (36–94)	0.01^{^b}
Body mass index, kg/m²	25.05 ± 4.37 (17.11–39.09)	24.73 ± 5.46 (15.82–48.28)	0.72^{^b}
Operative time, min	34.52 ± 12.27 (15–90)	30.12 ± 9.36 (17–60)	0.03^{^b}
Operative time per level, min	28.75 ± 9.71 (15–60)	24.16 ± 9.19 (8.5–54)	0.01^{^b}
No. of cemented vertebrae	81	85	-
No. (%) of vertebroplasties	52 (64)	79 (93)	-
No. (%) of vertebral augmentations	29 (36)	6 (7)	-
No. (%) of unipedicular approaches	34 (42)	69 (81)	<0.001^{^a}
Surgeon experience ratio, junior/senior	24/38	11/50	0.02^{^a}