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General information about patients in the two groups
| Neonate group | GA (weeks) | weight Birth (GMS) | Gender (M/F) | CS (n) |
|---|---|---|---|---|
| RDS (n = 50) | 31.3 ± 2.4 | 1511 ± 049 | 28/22 | 32 |
| TTN (n = 50) | 33.0 ± 1.6 | 2030 ± 510 | 31/19 | 33 |
Distribution of ultrasound findings in the two groups
| Ultrasound findings | RDS (n group = 50) | TTN (n = group 50) | p value |
|---|---|---|---|
| Consolidation bronchograms with air or fluid | 50 (100%) | 0 | <0.001* |
| Double lung point sign | 0 (0%) | 43 (86%) | <0.001* |
| White out lungs (severe alveolar-interstitial syndrome)/Absent A-lines | 44 (88%) | 3 (6%) | <0.001* |
| Interstitial syndrome | 06 (12%) | 47 (94%) | <0.001* |
| Absence of spared areas | 50 (100%) | 3(6%) | <0.001* |
| Pleural effusion bilateral – unilateral/ | 09 (18%) | 05 (10%) | >0.05** |
| Pleural line abnormalities | 50 (100%) | 50 (100%) | >0.05** |
USG findings in the TTN group
| LUS findings in TTN | Observations | |||
|---|---|---|---|---|
| Sensitivity | Specificity | PPV | NPV | |
| Double (DLP) sign lung point | 94.00% | 100% | 100% | 94.3% |
| Alveolar-syndrome interstitial | 94.0% | 88.0% | 88.7% | 93.6% |
| Pleural line abnormalities | 100% | 0% | 50% | - |
| Absent White out A-lines/ lungs | 6.00% | 0% | 5.7% | 0% |
| Pleural effusion | 10.0% | 82.0% | 35.7% | 47.7% |
USG findings in the RDS group
| LUS findings in RDS | Observations | |||
|---|---|---|---|---|
| Sensitivity | Specificity | PPV | NPV | |
| Consolidation or fluid bronchograms with air | 100% | 100% | 100% | 100% |
| White out lungs (severe alveolar-interstitial syndrome)/Absent A-lines | 88.0% | 94.0% | 93.6% | 88.7% |
| Absence of spared areas | 100% | 94.0% | 94.3% | 100% |
| Pleural line abnormalities | 100% | 0% | 50% | - |
| Pleural effusion | 18.0% | 90.0% | 64.2% | 52.3% |