There were 4 patients had respiratory failure with PaO2 < 60 mmHg in AIV group, 1 patient in JV group, the difference was statistically significant with p < 0.05.
Nhóm TKNQ có 4 BN suy hô hấp với PaO2 < 60 mmHg, nhóm TKDT có 1 BN, khác biệt có ý nghĩa thống kê với p < 0,05.