Fig. 3From: A randomized controlled trial to test the efficacy of trans-tympanic injections of a sodium thiosulfate gel to prevent cisplatin-induced ototoxicity in patients with head and neck cancerDifference of changes (final minus baseline) in mean air conduction hearing thresholds between treated and control ears: means and 95% confidence intervals at frequencies of 0.5 to 14 kHzBack to article page