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(A) Correlation analysis comparing AHI measured by HSAT and ALT to PSG. HSAT AHI ρ = 0.386, P = .093. ALT AHI ρ = 0.790, P < .001. (B) Correlation analysis comparing ODI measured by HSAT and ALT to PSG. HSAT ODI ρ = 0.334, P = .146. ALT AHI ρ = 0.770, P < .001. AHI = apnea-hypopnea index, ALT = ApneaLink Lab Test, HSAT (HST) = home sleep apnea test, ODI = oxygen desaturation index, PSG = polysomnogram.
