Table 3.

Time course study of disease activity index (DAI), gross morphology and histological score

Group	Time	DAI	Gross morphology	Histological score
A	Day 1	9.6±0.5*	3.8±0.4Δ	13.4±3.0Δ
	Day 3	6.6±0.9*	4.2±0.4*	15.6±3.8*
	Day 7	2.8±1.1*	3.6±0.5*	13.1±2.1*
	Day 14	0±0	1.8±0.4*	6.4±1.1*
B	Day 1	3.6±0.9#	0.8±0.5*	3.2±0.4*
	Day 3	0±0#	0±0*	2.6±0.8*
	Day 7	0±0#	0±0#	1.4±0.5*
C	Day 1	1.6±0.7 #	2.4±0.5*	11.4±1.8Δ
	Day 3	0±0#	1.4±0.5*	5.6±1.8*

^* P<0.05 compared with other groups at the same time point;

^Δ P<0.05 compared with group B at the same time point;

^# P<0.05 compared with group A at the same time point