CRP and diabetes mellitus: eGFR was not significantly different between those with or without diabetes (median [IQR]: 26.0 [16.5‐37.3] vs 29.1 [17.7‐47.5], P = 0.142), but CRP was higher in those with diabetes (median [IQR]: 3.40 [2.12‐9.51] vs 2.25 [1.08‐4.84], P < 0.001).