Characteristics | Sleep-related hypoxaemia |
Total number of patients | 7 |
Body mass index, mean (SD), kg/m2 | 29.9 (7.2) |
Age, mean (SD), years | 63.1 (11.1) |
Neck circumference, mean (SD), cm | 37.9 (9.5) |
Male sex, n (%) | 1 (14.2) |
STOP-Bang score, mean (SD) | 3.9 (1.7) |
Epworth Sleepiness Scale, mean (SD) | 8.3 (5.9) |
MME, median (IQR), mg per 24 hours | 157.5 (70–476.4) |
Thyromental distance, mean (SD), cm | 7.8 (1.5) |
Medical conditions, n (%) | |
Active smoker | 3 (42.9) |
Asthma/COPD | 0 |
Sleep parameters | |
Apnoea-Hypopnoea Index, median (IQR), events/hour | 15.8 (5.6–55.9) |
Obstructive apnoea index, median (IQR), events/hour | 9 (5.4–55.7) |
Central Apnoea Index, median (IQR), events/hour | 1.3 (0.2–5.2) |
Mixed apnoea index, median (IQR), events/hour | 0 (0–1.1) |
Hypopnoea index, median (IQR), events/hour | 7.7 (3.1–41.7) |
Mean SpO2, mean (SD), % | 88.4 (1.5) |
Minimum SpO2, mean (SD), % | 75 (4) |
CT90, median (IQR), % | 79.5 (72.8–96.6) |
Values are expressed as mean (SD) or median (IQR) as appropriate.
COPD, chronic obstructive pulmonary disease; CT90, cumulative time SpO2 <90%; MME, morphine milligram equivalents; SpO2, oxyhaemoglobin saturation; STOP-Bang, a screening tool for sleep apnoea (Snoring, Tiredness, Observed apnoea, high blood Pressure, Body mass index, age, neck circumference and male gender).