Table 3. Comparison of Clinical Outcomes between Endoscopic Decompression and Microscopic Decompression.

Variable	Endoscopic decompression	Microscopic decompression	p-value
Visual analog scale
Preoperative	7.13 ± 0.86	7.27 ± 0.83	0.54
Postoperative (1 wk)	1.87 ± 0.82	3.70 ± 0.75	< 0.001
Postoperative (1 mo)	1.53 ± 0.63	1.77 ± 0.73	0.19
Postoperative (3 mo)	1.37 ± 0.49	1.47 ± 0.68	0.52
Postoperative (1 yr)	1.23 ± 0.43	1.27 ± 0.45	0.77
Oswestry Disability Index (%)
Preoperative	71.20 ± 4.29	72.00 ± 6.22	0.56
Postoperative (1 wk)	38.37 ± 4.40	52.50 ± 7.95	< 0.001
Postoperative (1 mo)	27.70 ± 2.51	27.60 ± 5.85	0.93
Postoperative (3 mo)	26.27 ± 3.48	26.47 ± 5.07	0.86
Postoperative (1 yr)	23.53 ± 3.51	24.70 ± 5.22	0.31
Modified MacNab score (%)
Postoperative (1 wk)	83.33	66.66	< 0.001
Postoperative (1 mo)	83.33	76.66	< 0.001
Postoperative (3 mo)	80.00	76.66	< 0.001
Postoperative (1 yr)	76.66	73.33	< 0.001