As shown in Table 3, AIP had positive associations with males, BMI, current smoking, T2DM, dyslipidemia, hs-CRP, creatinine, uric acid, FBG, HbA1c, TG, TC, LDL-C, and non-HDL-C, while negative associations with age and HDL-C (all p < 0.05). Here, AIP is linked to metabolic syndrome.