Synergistic protection of astragalus polysaccharides and matrine against ulcerative colitis and associated lung injury in rats

Table 2 Disease activity indexes of rats in various groups

Group	n	0 wk	n	2 wk	n	4 wk
Normal	10	0.00 ± 0.00	10	0.00 ± 0.00	10	0.00 ± 0.00
Model	10	3.00 ± 0.59b	10	1.67 ± 0.90b	10	1.13 ± 0.63b
Salazopyrine control			10	0.80 ± 0.53a	11	0.36 ± 0.35
Matrine treatment			13	0.51 ± 0.48ac	12	0.33 ± 0.45
APS treatment			13	0.67 ± 0.47b	13	0.41 ± 0.34a
Monomer mixture			13	0.56 ± 0.48ac	12	0.56 ± 0.48ac

^aP < 0.05 and

^bP < 0.01 vs normal group;

^cP < 0.05 vs model group. APS: Astragalus polysaccharides.