Table 3.

The Comparison About Radiological Outcomes Between Two Groups

	PECF (N = 59)	ACDF (N = 68)	P value
DH (mm)
Preoperation	5.8 ± 0.3	5.9 ± 0.9	0.59
12 months	5.3 ± 0.2	6.5 ± 0.2	<0.001*
24 months	5.0 ± 0.2	5.7 ± 0.2	<0.001*
CA (°)
Preoperation	15.4 ± 0.3	15.5 ± 0.4	0.13
12 months	16.7 ± 0.4	16.2 ± 0.5	<0.001*
24 months	16.4 ± 0.4	15.8 ± 0.5	<0.001*
SA (°)
Preoperation	4.2 ± 0.2	4.1 ± 0.2	0.36
12 months	5.6 ± 0.3	4.2 ± 0.2	<0.001*
24 months	4.7 ± 0.2	4.0 ± 0.1	<0.001*
ROM (°)
Preoperation	44.4 ± 1.1	43.9 ± 1.7	0.08
12 months	56.2 ± 1.2	41.6 ± 1.7	<0.001*
24 months	53.4 ± 1.2	45.7 ± 1.6	<0.001*

Note: *P<0.001.

Abbreviations: DH, Disc height; CA, Cervical angle; SA, Segment angle.