Proportion of time participants spent within and outside target and safe ranges, comparing data from concealed continuous SpO2 monitoring and nurses’ clinical records from intermittent monitoring
| All patients: median (95% CI) | Group A: median (95% CI) | Group B: median (95% CI) | |
| As per continuous monitoring | |||
| Below safe range | 1.5% (1.0 to 2.3) | 2.7% (1.7 to 5.6) | 0.9% (0.3 to 1.4) |
| Within safe range | 96.2% (83.9 to 98.5) | 19.3% (16.2 to 24.3) | 99.1% (98.5 to 99.5) |
| Within target range | 92.5% (78.5 to 96.3) | 15.7% (13.3 to 18.9) | 97.3% (96.4 to 98.7) |
| Above target range | N/A | 75.0% (63.6 to 81.1) | N/A |
| As per nurses’ record of intermittent monitoring | |||
| Below safe range | 7.3% | 16.0% | 3.6% |
| Within safe range | 79.3% | 45.8% | 96.4% |
| Within target range | 73.1% | 33.2% | 92.8% |
| Above target range | N/A | 38.2% | N/A |
Group A: preterm/low birthweight neonates on oxygen (target range 90%–95%; safe range 85%–95%). Group B: term neonates, and any neonates not on oxygen (target range 90%–100%; safe range 85%–100%).
N/A, not applicable.