Table 1. Diagnostic criteria for obstructive sleep apnea: (A and B) or C satisfy the criteria.

A. The presence of one or more of the following:

1. The patient complains of sleepiness, nonrestorative sleep, fatigue, or insomnia symptoms.

2. The patient wakes with breath holding, gasping, or choking.

3. The bed partner or other observer reports habitual snoring, breathing interruptions, or both during the patient's sleep.

4. The patient has been diagnosed with hypertension, a mood disorder, cognitive dysfunction coronary artery disease, stroke, congestive heart failure, atrial fibrillation, or type 2 diabetes mellitus.

B. PSG or OCST demonstrates:

1. Five or more predominantly obstructive respiratory events (obstructive and mixed apneas, hypopneas, or RERAs) per hour of sleep during a PSG or per hour of monitoring (OCST).

C. PSG or OCST demonstrates:

1. Fifteen or more predominantly obstructive respiratory events (apneas, hypopneas, or RERAs) per hour of sleep during a PSG or per hour of monitoring (OCST).

PSG, polysomnography; OCST, out of center sleep testing; RERA, respiratory effort related arousal.