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Table 2 Distribution of oxygen saturation measured by pulse oximetry by age

From: Pulse oximetry curves in healthy children living at moderate altitude: a cross-sectional study from the Ecuadorian Andes

Age (years) Median 2.5th Percentile 5th Percentile 25th Percentile (Q1) 75th Percentile (Q3)
< 1 95.1 90.0 91.3 93.7 96.7
1 95.3 91.9 92.7 94.3 96.0
2 95.0 90.7 91.8 93.7 96.0
3 95.0 91.8 92.3 94.0 96.0
4 95.0 90.6 91.6 94.0 95.7
5 94.3 91.3 91.7 93.3 95.3
6 94.3 90.4 91.2 93.3 95.7
7 94.3 90.2 91.6 95.3 95.7
8 94.3 90.2 91.6 93.3 95.3
9 94.3 89.2 91.6 93.0 95.3
10 94.3 90.7 91.3 93.3 95.3
11 94.0 91.0 96.7 93.0 95.0
12 93.8 90.7 91.8 92.8 94.7
Global 94.7 90.7 91.7 93.4 96.7