Table 2: Level of IR in the skeletal muscles.

Groups MTD NTD NNC
Mean of IR (IU/L) 23.4 ± 1.6 24.7 ± 2.4 27 ± 1.7

Downregulation of IR was significant in MTD (P value = 0.01) while it was insignificant in NTD (P value = 0.06).