- Respiratory acidosis (with PaCO2 over 45 mmHg) was seen in 29/41 patients (accounting for 73.2%) in JV group, 36/44 patients AIV group (accounting for 81.8%).
- Toan hô hấp với PaCO2 trên 45mmHg gặp ở 29/41 BN (chiếm 73,2%) trong nhóm TKDT, nhóm TKNQ có 36/44 BN (chiếm 81,8%).