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. Author manuscript; available in PMC: 2023 Oct 1.
Published in final edited form as: J Magn Reson Imaging. 2022 Mar 4;56(4):1207–1219. doi: 10.1002/jmri.28136

Table 2:

Healthy subject means and standard deviations from their gas-exchange maps for the healthy pediatric and adult cohorts described by the median and interquartile range for their age group. Wilcoxon rank-sum tests show significant differences in medians and are bold.

Ventilation Dissolved (×10–3) Barrier-uptake (×10–3) RBC-transfer (×10–3) RBC: Barrier
Mean Std. Dev. Mean Std. Dev. Mean Std. Dev. Mean Std. Dev. Mean Std. Dev.
Median [Q1-Q3]

Pediatric Healthy
N = 5
0.75
[0.74–0.76]
0.14
[0.13–0.14]
9.06
[8.30–9.52]
1.32
[0.77–1.56]
8.17
[7.89–9.35]
1.30
[0.76–1.59]
2.13
[2.12–2.74]
0.62
[0.56–0.74]
0.29
[0.26–0.32]
0.09
[0.07–0.09]
Adult Healthy
N = 9
0.69
[0.64–0.71]
0.17
[0.16–0.19]
9.05
[7.51–9.33]
1.15
[1.04–1.51]
8.32
[7.20–8.62]
1.06
[0.97–1.47]
3.26
[2.96–3.90]
0.82
[0.72–1.05]
0.43
[0.39–0.55]
0.13
[0.08–0.15]
P-value 0.003 0.002 0.369 0.369 0.274 0.369 0.063 0.081 0.027 0.081