Interim 1-Year Radiographic and Clinical Outcomes Following Anterior Cervical Discectomy and Fusion Using Hydroxyapatite-Infused Polyetheretherketone Interbody Cages

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Figure 1
Example of a 1-level anterior cervical discectomy and fusion using a hydroxyapatite-polyetheretherketone interbody cage at 1 year postoperatively. Note that the tantalum markers are useful for both intraoperative placement and postoperative radiographic evaluation.
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Figure 2
Bar plots for the radiographic outcome measures (left: angular range of motion; right: translational anteroposterior motion), including mean scores with SDs. Horizontal bars indicate post-hoc significant changes between preoperative and postoperative follow-up time points.
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Figure 3
Bar plots for the clinical outcome measures, including mean scores with SDs. Horizontal bars indicate post-hoc significant changes between time points.

Table 1

Demographics and operative data of patient population.

Table 2

PROMS at preoperative and standard postoperative periods.

Abbreviations: NDI, Neck Disability Index; PROM, patient-reported outcome measure; VAS, visual analog scale.
↵a One-way analysis of variance.

Table 3

Analysis of patient satisfaction for all evaluated examination periods.

How Satisfied Were You With Your Treatment?
Examination period	Satisfied	Somewhat satisfied	Somewhat dissatisfied	Dissatisfied
6 wk (n = 569)	82.6%	15.1%	2.1%	0.2%
3 mo (n = 551)	81.8%	13.8%	3.5%	0.9%
6 mo (n = 433)	83.4%	13.4%	2.5%	0.7%
12 mo (n = 287)	81.2%	13.9%	3.8%	1.0%

Would You Have the Same Treatment Again?
Examination period	Definitely yes	Probably yes	Probably not	Definitely not
6 wk (n = 569)	67.5%	26.2%	4.8%	1.6%
3 mo (n = 551)	69.3%	22.7%	5.6%	2.2%
6 mo (n = 433)	68.1%	25.2%	5.3%	1.4%
12 mo (n = 287)	64.8%	27.5%	5.9%	1.7%