AIP and thyroid cancer: For thyroid cancer, TG-based markers were positively associated (TG 1.176 [1.008–1.373]; p = 0.040; TG/HDL-C 1.198 [1.050–1.367]; p = 0.007; AIP 1.277 [1.038–1.572]; p = 0.021), while HDL-C suggested an inverse trend (0.778 [0.604–1.001]; p = 0.051).