Objective assessment of the antispasmodic effect of Shakuyaku-kanzo-to (TJ-68), a Chinese herbal medicine, on the colonic wall by direct spraying during colonoscopy

Table 2 Comparison of the mean AUC between the TJ-68 and control groups before and after spraying of TJ-68 or saline

	Mean AUC (pixels×min)
	Before	After
TJ-68	29 1271	121 942b,d
Control	31 635	4 86172

¹NS vs control (Mann–Whitney U test), ^bP<0.001 vs before (Wilcoxon’s test), ^dP<0.001 vs control after (Mann–Whitney U test), ²NS vs before (Wilcoxon’s test).