FIO2 on the day of study in three groups
| Day of study | CLD (n=22) | OD (n=17) | N-OD (n=34) |
|---|---|---|---|
| 1 | 67 (3) | 47 (4) | 44 (1) |
| 2 | 54 (3) | 37 (1) | 33 (1) |
| 3 | 43 (3) | 34 (2) | 29 (1) |
| 7 | 37 (2) | 28 (2) | 26 (1) |
| 14 | 36 (2) | 28 (1) | 23 (1) |
| 21 | 38 (3) | 26 (2) | 22 (1) |
| 28 | 40 (3) | 25 (1) | 21 (2) |
Values are mean (SE) FIO2 (%). The FIO2 from day 1 was significantly lower in the OD and N-OD groups than the CLD group (P < 0.001∼0.0001). There was no difference in the OD and N-OD groups.