Comparison of survey results regarding professional views on consent in neonatal units between 2003 and 2016 (n=10)
| 2003 (Shenoy) | 2016 (Vasu) | p Value | |||||
| Implied consent (n) | Explicit consent (n) | Implied consent (%) | Implied consent (n) | Explicit consent (n) | Implied consent (%) | ||
| Peripheral intravenous cannula | 46 | 1 | 98 | 66 | 3 | 96 | 0.646 |
| Central line insertion (long line) | 43 | 4 | 91 | 45 | 24 | 65 | 0.002* |
| Lumbar puncture | 39 | 8 | 83 | 19 | 50 | 28 | <0.0001* |
| Suprapubic aspirate | 41 | 5 | 89 | 43 | 26 | 62 | 0.001* |
| Intercostal chest drain | 40 | 6 | 87 | 52 | 17 | 75 | 0.157 |
| Endotracheal intubation | 44 | 3 | 94 | 58 | 11 | 84 | 0.153 |
| Surfactant | 44 | 2 | 96 | 62 | 7 | 90 | 0.312 |
| Nitric oxide | 23 | 12 | 66 | 54 | 15 | 78 | 0.236 |
| Genetics (DNA CGH array) | 18 | 29 | 38 | 1 | 68 | 1 | <0.0001* |
| Blood transfusion | 35 | 12 | 74 | 25 | 44 | 36 | <0.0001* |
*Interventions for which there has been a statistically significant change (*p<0.05) in professional view between the two surveys are highlighted in green.