Table 2.
Summary statistics of patient demographics by sleepiness status (ESS ≥ 10, sleepy; ESS < 10, non-sleepy)
| Characteristic | Sleepiness
|
|
|---|---|---|
| No (n = 77) | Yes (n = 35) | |
| Age, years | 71.4 (11.1) | 69.4 (4.46) |
| Gendera | ||
| Female | 27 (35.5) | 020 (57.1%) |
| Male | 49 (64.5) | 015 (42.9%) |
| Race/ethnicityb | ||
| African American | 16 (21.3%) | 9 (25.71%) |
| Asian | 0 | 1 (2.86%) |
| Caucasian | 59 (78.7%) | 25 (71.4%) |
| BMI, kg/m2 | 33.2 (7.07) | 33.7 (7.26) |
| AHI, events/hour | 30.8 (25.5) | 33.2 (34.0) |
| Questionnairesc | ||
| ODSI | 5.18 (4.62) | 13.0 (5.0) |
| ESS | 5.23 (2.31) | 13.6 (2.7) |
| FOSQ | 18.2 (1.7) | 16.35 (2.32) |
Notes:
a
One subject was missing gender information.
b
Two subjects were missing race information.
c
Continuous characteristics are presented as mean ± SD and categorical covariates as percentages. All subjects included in analyses had normal cognitive function (MMSE score > 24) and age ≥65 and represented questionnaires with no missing data.
Abbreviations: ESS, Epworth Sleepiness Score; BMI, body mass index; AHI, Apnea–Hypopnea Index; ODSI, Observation and Interview-based Diurnal Sleepiness Inventory; FOSQ, Functional Outcomes of Sleep Questionnaire; MMSE, Mini-Mental State Examination.