Table 2 Polysomnographic data
From: Obstructive sleep apnea and nocturnal hypoxemia in adult patients with cystic fibrosis
|  | Patients (n = 52) |
|---|---|
AHI, events/h | 4.5 ± 4.0 (0-15.5) |
AHI > 5 events/h, n (%) | 21 (40) |
AHI REM, events/h | 10.2 ± 10.2 (0-38.5) |
AHI NREM, events/h | 3.1 ± 3.4 (0-17.3) |
Arousal index, events/h | 18.8 ± 10.2 (0.5–46.4) |
ESS score | 6.7 ± 3.8 (0–22) |
ESS score > 10, n (%) | 8 (15) |
TST, min | 298.1 ± 43.8 (180–400) |
Sleep efficiency, % | 74.9 ± 10.2 (48.6–93.9) |
Sleep latency, min | 69.6 ± 37.4 (8.8-151.2) |
WASO, min | 33.3 ± 27.7 (0.5-145.5) |
Sleep stages, % TST | Â |
N1 | 3.1 ± 1.8 (0.5-9.0) |
N2 | 51.0 ± 7.9 (31.3–68.7) |
N3 | 25.5 ± 8.9 (11.1–49.8) |
REM | 17.7 ± 6.6 (5.2–34.3) |
ODI, events/h | 4.2 ± 3.8 (0-15.5) |
ODI REM, events/h | 11.2 ± 13.8 (0–80.0) |
ODI NREM, events/h | 2.9 ± 3.1 (0-15.7) |
Nocturnal mean SpO2, % | 92.1 ± 2.2 (84–96) |
Nocturnal minimum SpO2, % | 87.0 ± 3.8 (77–92) |
SpO2 < 90%, % TST | 13.4 ± 27.3 (0.0-99.9) |
SpO2 < 90%, min | 41.3 ± 85.5 (0.0-321.3) |
Nocturnal respiratory rate, breaths/min | 21.4 ± 3.9 (15.0-31.2) |
Nocturnal heart rate, beats/min | 67.9 ± 12.5 (49.9-102.3) |
Awake SpO2, % | 95.8 ± 1.7 (91.0–98.0) |
Awake pO2, mmHg | 78.6 ± 9.4 (57.0–97.0) |
Awake pCO2, mmHg | 38.9 ± 2.9 (33.0–45.0) |
Awake pH | 7.4 ± 0.3 (7.29–7.50) |
Awake HCO3−, mmol/L | 24.9 ± 2.0 (19.1–30.5) |