Table 3.

Preoperative radiologic values and outcomes at the last follow-up

Variables	Preoperative period	Last follow-up	P
Endplate angle (°)	3.8 ± 3.8	6.7 ± 5.4	<0.001
FSU angle (°)	1.3 ± 5.9	5.2 ± 6.6	<0.001
Overall alignment (°)a	13.8 ± 8.9°	16.4 ± 8.0°	=0.042
FSU ROM (°)	10.8 ± 5.3	8.4 ± 6.3	=0.008
Overall ROM (°)a	38.4 ± 14.4	37.7 ± 12.3	=0.703
Disc height (mm)	6.2 ± 0.9	8.4 ± 0.7	<0.001

FSU functional spine unit, ROM range of motion

^aIndicates those data were from the 43 patients whose inferior endplates of C7 could be seen