Quercetin pretreated umbilical cord mesenchymal stem cells alleviate inflammatory bowel disease via IL-10 /Janus kinase 2/STAT3 signaling

Table 1 Disease Activity Index score

Score	Weight loss (%)	Stool consistency	Blood
0	None	Normal	Negative Hemocult
1	1%-5%	Soft but still formed	Negative Hemocult
2	5%-10%	Soft	Positive Hemocult
3	10%-15%	Very soft; wet	Blood traces in stool visible
4	> 15%	Watery diarrhea	Gross rectal bleeding

Disease Activity Index score = (body weight loss + stool consistency + blood)/3. Disease Activity Index score ranges from 0 to 4 points: 0 points: Normal; 4 points: Maximum inflammatory activity.