AIP and diabetic kidney disease: According to all three models, the highest AIP tertile was linked to an increased incidence of DKD (Model 1: OR 2.17, 95% CI 1.83–2.57, P < 0.001; Model 2: OR 1.59, 95% CI 1.22–2.08, P = 0.001; Model 3: OR 1.08, 95% CI 1.02–1.14, P = 0.005).