Table 1.

Baseline patient characteristics.

	MSN group (n = 31)	Steroid group (n = 30)	P
Sex (M/F)	10/19	7/25	0.27
Age (years)	54.74 ± 10.16	56.93 ± 9.25	0.38
Duration of symptoms (months)	8.81 ± 2.79	9.80 ± 2.94	0.18
VAS, morning pain	7.13 ± 1.82	7.57 ± 2.10	0.39
VAS, active pain	6.55 ± 1.75	7.03 ± 1.71	0.28
VAS, overall pain	6.94 ± 1.77	7.33 ± 2.09	0.43