Proportion of time participants spent within and outside target and safe SpO2 ranges during study period
| Group A (preterm/LBW neonates on oxygen): median (95% CI) | Group B (term neonates, and any neonates not on oxygen): median (95% CI) | |
| Below safe SpO2 levels (<85%) | 2.7% (1.7 to 5.6) | 0.9% (0.3 to 1.4) |
| SH1: 3.3 (0.4 to 15.4) | SH1: 0.3 (0.1 to 0.8) | |
| SH2: 2.4 (1.3 to 8.3) | SH2: 1.8 (0.3 to 24.3) | |
| SH3: 2.8 (2.5 to 7.6) | SH3: 1.4 (0.9 to 2.9) | |
| Within safe SpO2 range (85%–95% or 85%–100%) | 19.3% (16.2 to 24.3) | 99.1% (98.5 to 99.5) |
| SH1: 16.8 (7.8 to 23.3) | SH1: 99.5 (99.1 to 99.7) | |
| SH2: 24.5 (11.1 to 40.5) | SH2: 98.2 (75.7 to 99.7) | |
| SH3: 19.2 (10.9 to 24.1) | SH3: 98.6 (97.1 to 99.1) | |
| Within target SpO2 range (90%–95% or 90%–100%) | 15.7% (13.3 to 18.9) | 97.3% (96.4 to 98.7) |
| SH1: 15.4 (6.7 to 18.7) | SH1: 98.9 (97.0 to 99.2) | |
| SH2: 17.0 (10.2 to 24.4) | SH2: 95.8 (62.8 to 98.3) | |
| SH3: 16.2 (9.5 to 20.5) | SH3: 96.1 (91.7 to 97.4) | |
| Above target SpO2 levels (>95%) | 75.0% (63.6 to 81.1) | N/A |
| SH1: 78.5 (62.3 to 88.9) | ||
| SH2: 67.1 (40.0 to 81.3) | ||
| SH3: 78.1 (68.4 to 86.4) |
LBW, low birth weight; N/A, not applicable; SH1/SH2/SH3, study hospitals 1, 2 and 3.