Table 4 Summary of dataset statistics for the full cohort and demographic groups used for stratified and subgroup analysis.
From: Pulse oximetry values from 33,080 participants in the Apple Heart & Movement Study
Subject group | N (%) | Age, years (mean ± std. dev.) | BMI, kg/m2 (mean ± std. dev.) | Home altitude, m (mean ± std. dev.) | Daytime SpO2, % (mean ± std. dev.) | Nocturnal SpO2, % (mean ± std. dev.) |
|---|---|---|---|---|---|---|
Full cohort | 33,080 (100.0%) | 41.0 ± 13.2 | 28.9 ± 6.5 | 260.4 ± 392.9 | 96.2 ± 1.3 | 95.4 ± 1.3 |
Female assigned sex | 9169 (27.7%) | 40.3 ± 13.1 | 29.5 ± 7.6 | 268.6 ± 384.7 | 96.2 ± 1.4 | 95.4 ± 1.4 |
Male assigned sex | 23,911 (72.3%) | 41.3 ± 13.2 | 28.7 ± 6.1 | 257.3 ± 395.9 | 96.2 ± 1.3 | 95.4 ± 1.3 |
Asian race/ethnicity | 2063 (6.2%) | 37.8 ± 11.8 | 26.3 ± 4.8 | 179.2 ± 309.6 | 96.4 ± 1.2 | 95.8 ± 1.2 |
Black race/ethnicity | 1687 (5.1%) | 39.4 ± 11.8 | 30.8 ± 7.3 | 198.3 ± 311.6 | 96.2 ± 1.3 | 95.4 ± 1.3 |
Hispanic race/ethnicity | 3162 (9.6%) | 36.9 ± 11.1 | 29.6 ± 6.6 | 254.9 ± 410.6 | 96.2 ± 1.3 | 95.5 ± 1.3 |
Other race/ethnicity | 1501 (4.5%) | 39.9 ± 12.0 | 29.3 ± 6.8 | 244.1 ± 366.6 | 96.2 ± 1.4 | 95.5 ± 1.4 |
White race/ethnicity | 24,667 (74.6%) | 42.0 ± 13.5 | 28.8 ± 6.5 | 273.2 ± 401.9 | 96.2 ± 1.3 | 95.3 ± 1.3 |
