Eucapnic (PaCO2<6 kPa) (n=83) | Hypercapnic (PaCO2 ≥6 kPa) (n=162) | |
---|---|---|
Age (years) | 53±12 | 56±14 |
Length of stay (days) | 2±2 | 4±4* |
BMI (kg/m2) | 44.1±9.7 | 50±12* |
ESS | 14±6 | 14±6 |
Clinic SpO2 (%) | 94.7±2.6 | 89.8±6.1* |
Ischaemic heart disease | 15 (18) | 26 (16) |
Stroke | 3 (4) | 8 (5) |
Diabetes mellitus | 23 (28) | 64 (40) |
Systemic hypertension | 45 (54) | 91 (56) |
Values expressed as mean±SD or number (%).
*Significantly different from eucapnic group p<0.001.
BMI, body mass index; ESS, Epworth Sleepiness Score; SpO2, oxygen saturations.