AIP and atrial fibrillation: In Model 3, the risk of AF was highest in the T2 group for AIP, being significantly higher than that in the T1 group (OR = 3.56, 95% CI: 2.24–5.66, P < 0.001), while the T3 group also showed a higher risk than the T1 group (OR = 2.21, 95% CI: 1.18–4.12, P = 0.013).