Table 3.

Result of functional outcome

	ODI		p value	RMDQ		p value
	Group A	Group B		Group A	Group B
Preoperative	59.88 ± 4.06	57.65 ± 3.31	0.683	14.75 ± 1.07	15.18 ± 0.84	0.683
12 month	22.00 ± 2.70	28.12 ± 2.10	0.034*	6.06 ± 0.86	7.71 ± 0.95	0.217
24 month	11.00 ± 1.52	20.94 ± 1.86	0.0002*	3.06 ± 0.38	4.94 ± 0.82	0.110

ODI Oswestry Disability Index, RMDQ Rolland-Morris Disability Questionnaire

*Statistically significant with p < 0.05