IL17A and laryngotracheoesophageal cleft: After adjustment for these confounders, the patients with a high expression of IL-17 had an approximately threefold increased risk of disease recurrence (HR: 3.29, 95% CI: 2.73-8.75) than the patients with a low expression of IL-17, indicating that IL-17 expression was an independent factor for disease influence in patients with LC.