dex (Number of 4% desaturations per hour) = <1/hour. Moderate snoring. NREM R ALL stages AHI Obstructive Apnea 7.0/hr 0 1.8/hr 0 0/hr 6.4 Hypopnea(*) 30 1 31 Mixed Apnea 0 0 0 Central Apnea 0 0 0 RDI Mean event time (A+H) 7.0/hr 30 sec 1.8/hr 35 sec 6 31. 6.4/hr sec / Lowe