Table 2.
Polygraphic indicators.
| Variable | Value |
|---|---|
| Total time of valid recordings (minutes) | 392.8±100 |
| AHI | 17±16.4a |
| ODI | 18±16.4a |
| T<90 (% TTR) | 17.9±23.4 |
| Central apneas (ev/hour) | 1 (0.1–5.1)b |
| Obstructive apneas (ev/hour) | 1 (0.2–2)b |
| Hypopneas (ev/hour) | 10.6 (3.5–15.9)b |
| Mixed apneas (ev/hour) | 5.5 (0.2–6.1)b |
AHI: Apnea Hypopnea Index per recording time. ODI: O2 desaturation index ≥3%.
T<90: Time under SaO2<90%. TRT: total recording time.
a
Values expressed as mean and standard deviation.
b
Values expressed as median and P25–75.