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 clinic SpO_{2} | BMI | −0.219 | 0.001 | −0.16 | 0.034 | −0.07 | 0.528 |
PaCO_{2} | −0.555 | <0.001 | −0.487 | <0.001 | −0.426 | <0.001 | |
FVC | 0.429 | <0.001 | 0.374 | <0.001 | 0.367 | 0.001 |
BMI, body mass index; FVC, forced vital capacity; PaCO_{2}, arterial partial pressure of carbon dioxide; SpO_{2}, oxygen saturation.