Table 3.

Backgrounds of the patients who dropped out and the causes of dropping out

Case	Age	Sex	Limb	ABI		WIQ				The cause of the dropping out
				Right	Left	Pain	Distance	Speed	Climbing
1	81	Male	Both	0.71	0.68	50	5	7	42	Digestive symptoms
8	81	Male	Left	0.93	0.83	100	100	100	100	Cardiac insufficiency
12	88	Male	Both	0.64	0.66	0	14	17	17	Inguinal hernia strangulation
16	72	Male	Both	0.70	0.65	0	9	15	100	Aggravation of low back pain
19	73	Male	Right	0.60	1.11	50	100	30	100	Unidentified exanthem

The values of ABI and WIQ were measured before administration of Tsumura Hachimi-jio-gan extract granules for medical use. Limb: ischemic limb; ABI: ankle-brachial pressure index; WIQ: Walking Impairment Questionnaire