Table 6. IRS in pancreatic beta-cells

Treatments	IRS
P1=Nondiabetic rats	11±1.41a
P2=Untreated diabetic rats	3.67±0.47b
P3=Diabetic rats treated with milk fermented using Pediococcus acidilactici BE	5.33±0.94c
P5=Diabetic rats treated with metformin	3.5±0.5b

Different superscript letters within column indicate p<0.05.
IRS, immunoreactive score.