Table 5.

Comparison of the 6-month improvements in the clinical factors and satisfaction according to the MacNab results (excellent and good) between the 2 groups.

	Decompression-alone group	Fusion group	P
VAS back	2.4 ± 3.4	3.1 ± 2.4	.598
VAS leg	3.8 ± 3.4	4.0 ± 2.9	.898
ODI	16.2 ± 21.9	15.3 ± 19.3	.917
SF-36 PCS score	20.2 ± 25.8	29.1 ± 32.1	.433
Satisfaction in MacNab results, n (%)	60 (60.6)	23 (74.2)	.488

Means ± SD.

ODI = Oswestry Disability Index, PCS = physical component summary, SF-36 = short form 36, VAS = visual analog scale.