Other notable correlations included positive correlations with age (r = 0.40, p < 0.0001) and the duration of diabetes (r = 0.23, p < 0.0001), as well as negative correlations with the haemoglobin level (r = −0.29, p < 0.0001), eGFR (r = −0.24, p < 0.0001), ALT (r = −0.22, p < 0.0001), diastolic BP (r = −0.22, p < 0.0001) and serum albumin level (r = −0.20, p < 0.0001). Here, GPT is linked to diabetes mellitus.