Korean Journal of Acupuncture

Table. 6. Table 6

Changes in VAS and KODI according to Subjective Pain Intensity

	Visit	Subjects having moderate-severe back pain(n=11)				Subjects having mild back pain(n=17)				p-value^†

		Mean±SD	Median	Min-max	p-value*	Mean±SD	Median	Min-max	p-value*
VAS^‡	Difference (Visit 14-Visit 2)	−1.87±1.40	−1.00	−4.00∼−0.30	0.0010^¶	−1.82±1.49	−2.10	−4.80∼0.70	0.0001	0.6584^¶
KODI^§	Difference (Visit 14-Visit 2)	−7.27±5.69	−6.00	−17.00∼1.00	0.0017	−4.76±3.05	−5.00	−11.00∼1.00	＜.0001	0.2015

within group comparison,

†

between group comparison,

‡

Visual analog scale,

Korean Oswestry disability index, Paired t-test,

Wilcoxon’s signed rank test.