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. Author manuscript; available in PMC: 2014 Aug 13.
Published in final edited form as: J Am Coll Cardiol. 2013 Jun 13;62(7):10.1016/j.jacc.2013.04.080. doi: 10.1016/j.jacc.2013.04.080

Table 5. Baseline characteristics of the subgroup of patients with obstructive sleep apnea (N = 8,327).

Number of primary outcomes (SCD or resuscitated SCD) 98 (1.2%)
Age, yrs 54 (+/- 17)
Male sex 74%
Body-mass index, kg/m2 35 (+/- 9)
Smoking history 59%
Diabetes mellitus 15%
Hypertension 45%
Stroke or transient ischemic attack 5%
Coronary artery disease 15%
Cardiomyopathy or heart failure 6%
Ventricular ectopy or nonsustained VT 0.4%
Implanted ICD 0.1%
Obstructive sleep apnea (AHI ≥ 5) 100%
Apnea-hypopnea index 38 (+/- 32)
Awake O2 sat 95% (+/- 4%)
Mean nocturnal O2 sat 93% (+/- 3%)
Lowest nocturnal O2 sat 80% (+/- 11%)