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Table 1 Anthropomorphic metrics, baseline ventricular volumetry, and exercise measurements for subjects included in final analysis

From: Exercise-induced irregular right heart flow dynamics in adolescents and young adults born preterm

 

Term adults (n = 9)

Preterm adults (n = 10)

padult

Term adolescents (n = 17)

Preterm adolescents (n = 16)

padolescent

Anthropomorphic metrics

 Sex

6M, 3F

5M, 5F

–

8M, 9F

5M, 11F

–

 Current age [year]

26 ± 1

27 ± 1

0.06

13 ± 1

13 ± 1

0.70

 Gestational age [week]

40 ± 1

29 ± 3

< 0.001

40 ± 1

28 ± 2

< 0.001

 Birth weight [g]

N/A*

1087 ± 297

–

3497 ± 366

1097 ± 274

< 0.001

 Current height [m]

1.74 ± 0.07

1.69 ± 0.12

0.28

1.64 ± 0.09

1.58 ± 0.10

0.08

 Current weight [kg]

69 ± 9

67 ± 15

0.71

51 ± 10

48 ± 9

0.56

 BMI

22.7 ± 1.6

23.3 ± 3.3

0.64

18.6 ± 2.3

19.4 ± 2.7

0.42

 BSA [m2]

1.83 ± 0.15

1.77 ± 0.24

0.53

1.51 ± 0.19

1.45 ± 0.17

0.37

RV volumetry

 EDVI [mL/m2]

97 ± 15

93 ± 10

0.48

81 ± 11

71 ± 12

0.01

 ESVI [mL/m2]

43 ± 9

41 ± 8

0.42

36 ± 6

29 ± 6

0.004

 SV index [mL/m2]

54 ± 9

52 ± 6

0.73

45 ± 7

42 ± 7

0.12

 EF

0.55 ± 0.05

0.57 ± 0.05

0.59

0.56 ± 0.05

0.58 ± 0.04

0.09

Exercise measurements

 VO2max [L/min] [4, 28]

3.5 ± 0.7

2.6 ± 0.6

0.008

2.5 ± 0.5

2.0 ± 0.5

0.007

 VO2max [mL/kg/min] [4, 28]

50.0 ± 10.4

38.1 ± 8.6

0.01

48.3 ± 11.0

43.3 ± 6.9

0.13

 Pmax [W]

231 ± 54

184 ± 42

0.05

153 ± 34

124 ± 27

0.01

 GPAQ [MET/week] [4]

3368 ± 2550

3420 ± 2006

0.96

–

–

–

PAQ-C [29]

–

–

–

1.93 ± 0.39

1.89 ± 0.45

0.79

  1. Results are presented as the mean plus/minus the standard deviation of the sample. p-values are for comparisons within each age cohort. Significant p-values (p < 0.05) are in bold. *Birth weights were not collected for the young adult term controls. M male, F female, BMI body mass index, BSA body surface area, EDVI end diastolic volume index, ESVI end systolic volume index, SV stroke volume, EF ejection fraction, VO2max maximum oxygen consumption, Pmax maximum exercise power, GPAQ Global Physical Activity Questionnaire, PAQ-C Physical Activity Questionnaire for older Children