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Table 2 Pulmonary and aortic cross-sectional area

From: Age dependence of pulmonary artery blood flow measured by 4D flow cardiovascular magnetic resonance: results of a population-based study

  Group 1
(20–39y.)
n = 43
Group 2
(40–59y.)
n = 44
Group 3
(60–80y.)
n = 39
F(2,375) p-value
CSAmax, cm2(±SD)
 MPA 6.53 ± 1.34 6.11 ± 1.21 5.78 ± 1.17 7.39 0.008*
 LPA 3.31 ± 0.65 3.55 ± 1.23 3.69 ± 0.96 3.16 0.078
 RPA 3.22 ± 0.62 3.59 ± 1.24 3.79 ± 1.07 6.35 0.013*
 AAo 5.97 ± 1.35 7.05 ± 1.51 7.45 ± 1.48 21.41 <0.001*
CSAmin, cm2(±SD)
 MPA 5.19 ± 1.22 5.09 ± 0.96 4.82 ± 0.90 2.99 0.109
 LPA 2.71 ± 0.62 2.93 ± 0.98 3.03 ± 0.85 3.08 0.082
 RPA 2.46 ± 0.51 2.79 ± 0.99 2.95 ± 0.80 7.86 0.006*
 AAo 5.08 ± 1.27 6.28 ± 1.39 6.77 ± 1.45 31.02 <0.001*
CSAavg, cm2(±SD)
 MPA 5.87 ± 1.27 5.61 ± 1.09 5.29 ± 1.03 5.23 0.024*
 LPA 3.03 ± 0.62 3.24 ± 1.12 3.37 ± 0.91 2.59 0.088
 RPA 2.88 ± 0.57 3.22 ± 1.13 3.39 ± 0.98 6.19 0.014*
 AAo 5.59 ± 1.30 6.78 ± 1.46 7.19 ± 1.47 26.00 <0.001*
CSAratio, 1(±SD)
 MPA/AAo 1.05 ± 0.23 0.83 ± 0.17 0.74 ± 0.19 51.56 <0.001*
CSAchange, %(±SD)
 MPA 20.78 ± 5.30 16.35 ± 5.04 16.17 ± 5.03 17.06 <0.001*
 LPA 18.56 ± 5.59 17.13 ± 3.55 18.29 ± 5.29 0.08 0.773
 RPA 23.69 ± 5.52 22.23 ± 5.09 21.64 ± 6.01 2.85 0.094
 AAo 15.06 ± 5.85 10.99 ± 4.09 9.26 ± 3.32 32.97 <0.001*
  1. CSA cross-sectional-area, SD standard deviation, *statistically significant