APOA1 and atrial fibrillation: There was also evidence supporting that TC, LDL-C, APOA1, APOB, nonHDL-C, AIP, ATH index, CRI-I, CRI-II, and fatty acids were risk factors for SSNHL.3, 16, 17, 18, 19, 20 This study further corroborated the heightened risk of concurrent hypertension and dyslipidemia in SSNHL patients, particularly in those with hearing loss of ≥50 dB and AF-SSNHL.