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. 2019 Aug 28;105(3):316–321. doi: 10.1136/archdischild-2019-317630

Table 3.

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.