Table 2.
The patient demographic data: median and range for continuous variables in the whole Unisalkku dataset, training set, validation set, primary test set and the Embletta test set.
| Whole Unisalkku dataset (N = 1989) | Training set (N = 1692) | Validation set (N = 99) | Primary test set (N = 198) | Embletta test set (N = 1959) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Median | Range | Median | Range | Median | Range | Median | Range | Median | Range | |
| Age (years) | 48.1 | 18.3–81.1 | 48.2 | 18.3–80.3 | 46.4 | 22.4–70.0 | 48.3 | 20.9–81.1 | 49.6 | 18.1–87.7 |
| AHI (events/hour) | 5.3 | 0.0–148.7 | 5.3 | 0.0–148.7 | 4.8 | 0.0–101.6 | 6.0 | 0.0–99.1 | 5.9 | 0.0–123.0 |
| ODI (events/hour) | 4.5 | 0.0–149.0 | 4.4 | 0.0–149.0 | 4.5 | 0–99.7 | 5.0 | 0–98.8 | 5.0 | 0.0–120.5 |
| BMI (kg/m2) | 28.4 | 17.5–74.0 | 28.4 | 17.5–74.0 | 28.8 | 18.8–60.4 | 28.7 | 17.6–54.2 | 28.4 | 17.5–74.0 |
| Minimum SpO2 (%) | 80 | 1–97 | 81 | 1–97 | 81 | 1–93 | 79 | 1–97 | 86 | 1–96 |
| Apnea proportion (%) | 15.4 | 0.0–100.0 | 15.6 | 0.0–100.0 | 14.5 | 0.0–100.0 | 15.1 | 0.0–100.0 | 34.6 | 0.0–100.0 |
| Time with <90% SpO2 (%) | 0.9 | 0.0–100.0 | 0.9 | 0.0–100.0 | 0.8 | 0.0–100.0 | 1.0 | 0.0–76.7 | 1.1 | 0.0–100.0 |
| Supine time (%) | 38.5 | 0.0–99.3 | 38.5 | 0.0–98.1 | 38.6 | 0.0.–97.6 | 38.8 | 0.0–99.1 | 37.4 | 0.0–97.3 |
AHI = apnea-hypopnea index, ODI = oxygen desaturation index, BMI = body mass index, apnea proportion is the proportion of apnea events out of all obstructive (apneas and hypopneas) events, supine time is the proportion of recording time spent in supine position.