Table 3.

VAS and ODI at pre-o and post-o (mean ± SD)

Parameters	n-HA/PA66 Cage	PEEK Cage	P
VAS (points)
Pre-O	6.02 ± 1.20	6.17 ± 1.38	0.338
1-y Post-O	2.31 ± 0.85	2.25 ± 0.87	0.617
Fin-foll-up	1.56 ± 0.87	1.58 ± 0.89	0.853
ODI (%)
Pre-O	50.56 ± 6.41	51.00 ± 6.47	0.583
1-y Post-O	26.37 ± 5.94	26.51 ± 5.88	0.851
Fin-foll-up	14.69 ± 4.13	14.61 ± 4.08	0.862