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 (72.2) | RR interval (ms) | 887.1 (808.1–998.3) |
Age (years) | 48.3 (46.2–49.6) | PQ interval (ms) | 179.7 (164.1–191.6) |
BMI (kg/m2) | 35.1 (31.0–37.9) | QRS interval (ms) | 93.8 (85.0–102.1) |
Atrial fibrillation | 1 (5.6) | QT interval (ms) | 390.6 (359.4–410.2) |
COPD | 0 (0) | QTc interval (ms) | 405.0 (392.7–420.8) |
Dyslipidemia | 6 (33.3) | Nocturnal HVR | Median (IQR) |
Hypertension | 7 (38.9) | SDNN (ms) | 38.2 (17.7–54.2) |
Smoker | 3 (16.7) | RMS-SD (ma) | 29.7 (14.7–52.5) |
PSG characteristics | Median (IQR) | LF (m2) | 563.2 (180.6–1456.1) |
AHI (events/h) | 29.8 (24.3–37.8) | HF (m2) | 320.5 (79.1–788.4) |
ODI (events/h) | 25.1 (13.2–40.7) | LF/HF | 2.1 (1.3–3.6) |
Desaturation duration (s) | 30.0 (21.1–40.0) | VLF (m2) | 186.7 (91.9–481.5) |
Desaturation depth (%) | 4.7 (3.4–7.9) | SD1 (ms) | 21.9 (10.4–37.2) |
TST (min) | 339.8 (321.0–368.5) | SD2 (ms) | 44.5 (23.7–67.7) |
Arousal index (events/h) | 28.5 (23.9–41.2) | SD1/SD2 | 2.1 (1.8–2.7) |