Table 1.

The criteria of DAI.

Body weight loss	Stool consistency	Occult blood or bloody stool	Score
No change	Normal	Negative	0
1-5%	Loose stool	Negative	1
5-10%	Loose stool	Occult blood positive	2
10-20%	Diarrhea	Occult blood positive	3
≥20%	Diarrhea	Gross hematochezia	4