INS and diabetes mellitus: The median total count of phagocytosed beads before operation was 4222 (IQR:3013–5984) in the Short-term insulin (DM), 12,142 (IQR:6025–15,332) in the Long-term insulin (DM) and 8238 (IQR:4976–12,550) in the Non-diabetic group, which were not significantly differed with those of 6275 (IQR:3628–8188) in the No insulin (DM) group (p = 0.084,0.043 and 0.074, respectively).