From: QTc prolongation is associated with severe desaturations in stroke patients with sleep apnea
Demographics | n/Median (%/IQR) | ECG characteristics | Median (IQR) |
---|---|---|---|
Patients (male) | 18 (66.7) | RR interval (ms) | 923.9 (834.1–1060.2) |
Age (years) | 67.9 (55.9–71.9) | PQ interval (ms) | 188.9 (174.0–212.6) |
BMI (kg/m2) | 35.8 (33.7–41.8) | QRS interval (ms) | 94.0 (85.3–102.0) |
Atrial fibrillation | 1 (5.6) | QT interval (ms) | 417.9 (384.0–452.8) |
COPD | 1 (5.6) | QTc interval (ms) | 424.1 (409.7–455.3) |
Dyslipidemia | 8 (44.4) | Nocturnal HVR | Median (IQR) |
Hypertension | 13 (72.2) | SDNN (ms) | 33.7 (16.0–41.2) |
Smoker | 2 (11.1) | RMS-SD (ms) | 21.7 (14.1–47.4) |
PSG characteristics | Median (IQR) | LF (m2) | 404.4 (134.9–710.6) |
AHI (events/h) | 35.3 (23.5–45.5) | HF (m2) | 175.6 (43.3–519.5) |
ODI (events/h) | 23.1 (14.9–37.1) | LF/HF | 1.4 (0.6–3.4) |
Desaturation duration (s) | 28.0 (19.6–41.0) | VLF (m2) | 188.8 (56.8–334.9) |
Desaturation depth (%) | 4.3 (3.1–6.5) | SD1 (ms) | 15.4 (10.0–33.5) |
TST (min) | 319.0 (285.3–351.9) | SD2 (ms) | 40.8 (20.7–49.4) |
Arousal index (events/h) | 32.3 (24.1–44.1) | SD1/SD2 | 1.7 (1.0–2.9) |