Table 4.

Mean scores pre-operative, 6-month and final follow-up in sampled patients

	Group 1 (dural tear)					Group 2 (no dural tear)
	Pre op	6/12 FU	P value	Final FU	P value	Pre op	6/12 FU	P value	Final FU	P value
VB	59	26	0.006	29	0.004	55	18	0.003	29	0.012
VL	74	23	0.03	18	0.002	67	11	0.001	18	0.001
ODI	56	31	0.03	23	0.001	46	19	0.006	30	0.061
PF	29	80	0.01	82	0.001	47	82	0.004	86	0.001
RP	6	54	0.015	87	0.004	8	65	0.003	72	0.003
BP	27	63	0.009	79	0.001	27	85	0.001	81	0.001
GH	80	90	0.286	87	0.701	95	100	0.3	84	0.164