Group | Pharyngeal pressure reading (cm H2O) | Birthweight (g) | Gestationalage (weeks) | Postnatalage (h) | Primary orpostextubation | TcPco2 | Spo2 | Desat episodes |
1 (nCPAP) | ||||||||
Case 1 | 2 | 840 | 30 | 28 | Primary | 49 | 94 | 0 |
Case 2 | 2 | 1390 | 36 | 30 | Primary | 46 | 95 | 0 |
Case 3 | 2 | 720 | 26 | 96 | Postextubation | 50 | 93 | 0 |
Case 4 | 2 | 1120 | 29 | 36 | Primary | 41 | 95 | 0 |
Case 5 | 3 | 660 | 24 | 240 | Postextubation | 52 | 92 | 1 |
Case 6 | 2 | 660 | 26 | 168 | Postextubation | 51 | 94 | 0 |
Case 7 | 2 | 880 | 32 | 45 | Primary | 39 | 96 | 0 |
Case 8 | 3 | 480 | 26 | 144 | Postextubation | 50 | 93 | 0 |
Case 9 | 2 | 1220 | 28 | 48 | Primary | 48 | 96 | 0 |
Case 10 | 2 | 770 | 26 | 120 | Postextubation | 45 | 94 | 0 |
Mean (SD) | 2.2 (0.42)* | 874 (285) | 28.3 (3.6) | 95.5 (71.2) | – | 47 (4.3) | 94 (1.3) | – |
Mean difference | 2.8 (0.42)* | – | – | – | – | – | – | – |
% difference | 56* | – | – | – | – | – | – | – |
2 (hood CPAP) | ||||||||
Case 1 | 5 | 1370 | 35 | 26 | Primary | 45 | 96 | 0 |
Case 2 | 4 | 680 | 25 | 240 | Postextubation | 51 | 94 | 0 |
Case 3 | 5 | 1400 | 30 | 32 | Primary | 42 | 94 | 0 |
Case 4 | 5 | 720 | 27 | 168 | Postextubation | 50 | 93 | 0 |
Case 5 | 4 | 1110 | 28 | 31 | Primary | 39 | 96 | 0 |
Case 6 | 4 | 890 | 32 | 29 | Primary | 43 | 96 | 0 |
Case 7 | 5 | 500 | 26 | 260 | Postextubation | 49 | 93 | 0 |
Case 8 | 5 | 750 | 26 | 154 | Postextubation | 50 | 95 | 0 |
Case 9 | 5 | 1220 | 29 | 48 | Primary | 49 | 94 | 0 |
Case 10 | 5 | 660 | 25 | 144 | Postextubation | 53 | 94 | 0 |
Mean (SD) | 4.7 (0.48) | 930 (329) | 28.3 (3.6) | 113.2 (91.6) | – | 47 (4.6) | 94 (1.2) | – |
Mean difference | 0.3 (0.48) | – | – | – | – | – | – | – |
% difference | 6 | – | – | – | – | – | – | – |
TcPco2, Spo2 and desaturation episodes were recorded during pharyngeal pressure measurement.
*p<0.01 compared with group 2.
CPAP, continuous positive airway pressure; Desat, desaturation; Spo2, percentage of oxygen saturation; TcPco2, transcutaneous oxygen tension.