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. Author manuscript; available in PMC: 2024 Mar 1.
Published in final edited form as: Behav Sleep Med. 2022 Apr 7;21(2):150–161. doi: 10.1080/15402002.2022.2060226

Table 1.

Demographic, Clinical, and Sleep Characteristics (N=195)

Variables Mean (SD) / N (%)
Age 63.0 (12.8)
Gender: Female 84 (43.1%)
Race
 White 146 (74.9%)
 African American 35 (17.9%)
 Native American 1 (0.5%)
 Asian 1 (0.5%)
 Other 12 (6.2%)
Ethnicity
 Hispanic 9 (4.6%)
 Non-Hispanic 185 (95.4%)
Veterans 24 (12.3%)
Body Mass Index (BMI) 31.9 (8.4)
 <18.5 3 (1.6%)
 18.5 - <25 37 (20.0%)
 25 - <30 44 (23.8%)
 30+ 101 (54.6%)
New York Heart Association (NYHA) Classification
 I 60 (31.1%)
 II 88 (45.6%)
 III 40 (20.7%)
 IV 5 (2.6%)
Ejection Fraction (EF) % 49.5 (15.1)
 HFpEF (LVEF≥ 50%) 104 (54.4%)
 HFmEF (LVEF 41–49%) 29 (15.2%)
 HFrEF (LVEF ≤ 40%) 58 (30.4%)
Seattle Heart Failure Model 11.6 (5.0)
Charlson Comorbidity Index (CCI) 2.8 (1.9)
Sleep Apnea / CPAP Use 104 (53.3%)
Heart Failure Medications
 ACE or ARB 96 (49.2%)
 Beta-blocker 129 (66.2%)
 Statin 118 (60.5%)
 HCTZ 8 (5.7%)
 Loop diuretic* 124 (71.3%)
Insomnia Severity Index (ISI) 15.0 (4.6)

Note. HFpEF = heart failure persevered ejection fraction, HFmEF = heart failure midrange ejection fraction, HFrER = heart failure reduced ejection fraction, LVEF = left ventricular ejection fraction.

Loop diuretic* counts any loop diuretic among Bumex, Demadex, and Lasix.