| SLI group | IPPV group | Test value | P-value | Sig. | OR | 95% CI | ||
No. = 65 | No. = 50 | LL | UL | ||||||
Apgar score at 5 min | Mean ± SD | 7.89 ± 0.92 | 7.62 ± 1.24 | 1.350 | 0.180 | NS | 0.788 | 0.556 | 1.117 |
Range | 1 - 7 | 1 - 8 | |||||||
Heart rate at 5 min (beat/min( | Mean ± SD | 134.22 ± 9.17 | 135.7 ± 14.52 | −0.669• | 0.505 | NS | 1.011 | 0.979 | 1.044 |
Range | 110 - 150 | 100 - 173 | |||||||
Oxygen saturation at 5 min (%) | Mean ± SD | 92.2 ± 3.08 | 90.7 ± 6.8 | 1.581• | 0.117 | NS | 0.939 | 0.864 | 1.020 |
Range | 85 - 97 | 60 - 98 | |||||||
ETI in delivery room | No | 58 (89.2%) | 44 (88.0%) | 0.043* | 0.835 | NS |
| – | – |
Yes | 7 (10.8%) | 6 (12.0%) | 1.130 | 0.355 | 3.60 | ||||
Surfactant administration in delivery room | No | 65 (100.0%) | 50 (100.0%) | NA | NA | – | – | – | – |
Yes | 0 (0%) | 0 (0%) | – | – | – | ||||
Surfactant in NICU | No | 59 (90.8%) | 45 (90.0%) | 0.019* | 0.889 | NS |
| – | – |
Yes | 6 (9.2%) | 5 (10.0%) | 1.093 | 0.314 | 3.808 | ||||
Duration in hour of respiratory support | Median (IQR) | 241 (96 - 528) | 240 (72 - 408) | −0.615‡ | 0.538 | NS | 1.000 | 0.998 | 1.001 |
Range | 1- 972 hour | 1 - 1080 hour | |||||||
Duration in day of respiratory support | Median (IQR) | 11.50 (5 - 27.75) | 11 (4 - 20) | −0.366‡ | 0.715 | NS | 1.005 | 0.983 | 1.027 |
Range | 1- 42 day | 1 - 95 day | |||||||
Chronic lung disease | No | 61 (93.8%) | 50 (100.0%) | 3.188* | 0.074 | NS | – | – | – |
Yes | 4 (6.2%) | 0 (0.0%) | – | – | – | ||||
Air leak in NICU | No | 56 (86.2%) | 46 (92.0%) | 0.963* | 0.326 | NS |
| – | – |
Yes | 9 (13.8%) | 4 (8.0%) | 0.541 | 0.157 | 1.871 | ||||
IVH with grade | No | 63 (96.9%) | 50 (100.0%) | 1.566* | 0.211 | NS | – | – | – |
Yes | 2 (3.1%) | 0 (0.0%) | – | – |
| ||||
Seziures clinical or monitor of EEG | No | 65 (100.0%) | 49 (98.0%) | 1.311* | 0.252 | NS | – | – | – |
Yes | 0 (0.0%) | 1 (2.0%) | – | – | – | ||||
Retinopathy | Not done | 65 (100.0%) | 48 (96.0%) | 2.646* | 0.104 | NS | – | – | – |
Yes | 0 (0.0%) | 2 (4.0%) | – | – | – | ||||
PDA | No | 31 (47.7%) | 27 (54.0%) | 0.450* | 0.502 | NS |
| – | – |
Yes | 34 (52.3%) | 23 (46.0%) | 0.777 | 0.371 | 1.626 |