MMP2 and type 1 diabetes mellitus: The only significant correlations with age were found for MMP2 (T1D: r = 0.15, P = 0.0017; MA: r = 0.41, P < 1 × 10−4) and sTNFR2 (r = 0.09, P = 0.05 vs. r = 0.30, P = 0.004).