near-significantp = 0.065
In the DM2 group, there was a near-significant tendency for Qs/Qt to be reduced compared to the control group at a PEEP of 6 cmH 2 O ( p = 0.065), whereas PaO 2 /FiO 2 was reduced at a PEEP of 3 cmH 2 O ( p = 0.05) and tended to diminish at a PEEP of 6 cmH 2 O ( p = 0.069).