Research Article

Suppression of Dextran Sulfate Sodium-Induced Colitis in Mice by Radon Inhalation

Table 1

Disease activity index (DAI) scoring system.

ScoreDiarrheal stool scoreBloody stool score

0Normal stoolNormal colored stool
1Mildly soft stoolBrown stool
2Very soft stoolReddish stool
3Watery stoolBloody stool

The sum of the scores of two parameters was defined as the DAI score.