BMI>30 kg/m^{2} n=245 | BMI>40 kg/m^{2} n=176 | BMI>50 kg/m^{2} n=84 | |||||
---|---|---|---|---|---|---|---|
R | p Value | R | p Value | R | p Value | ||
Correlation with PaCO_{2} | BMI (kg/m^{2}) | 0.254 | 0.005 | 0.218 | 0.004 | 0.351 | 0.001 |
SpO_{2} (%) | −0.555 | <0.001 | −0.487 | <0.001 | −0.426 | <0.001 | |
FVC | −0.429 | <0.001 | −0.487 | <0.001 | −0.472 | <0.001 |
BMI, body mass index; FVC, forced vital capacity; PaCO_{2}, arterial partial pressure of carbon dioxide; SpO_{2}, oxygen saturation.