Representative H&E stain (40x; Groups as above, evaluated after IPGTT): Gr 1 has no insulitis, Gr 2 has insulitis (arrow), Gr 3 and Gr 4 have limited or no insulitis , Gr 5 has insulitis (arrow), Gr 6 has limited or no insulitis , and Gr 7 has very mild insulitis (arrow). Blind scoring data with statistical analysis are presented in Table IV.