Table 2 Physical activity and left ventricular volumes, myocardial mass and function (N = 381).

From: Association of smoking and physical inactivity with MRI derived changes in cardiac function and structure in cardiovascular healthy subjects

 

Physical activity

Regular >2 h/week§

Regular

1 h/week

Irregular

1 h/week

(Almost)

no activity

N = 109

N = 118

N = 55

N = 99

End-diastolic volume/BSA (ml/m2)

67.9 (65.2; 70.6)

65.6 (63.1; 68.2)

66.4 (62.6; 70.2)

65.0 (62.2; 67.9)

End-systolic volume/BSA (ml/m2)

20.3 (18.7; 21.9)

21.0 (19.5; 22.5)

21.1 (18.9; 23.4)

21.0 (19.3; 22.7)

Stroke volume/BSA (ml/m2)

47.5 (45.8; 49.3)

44.6 (43.0; 46.3)*

45.3 (42.9; 47.7)

44.1 (42.3; 46.0)**

Ejection Fraction (%)

70.8 (69.2; 72.3)

68.7 (67.3; 70.2)

68.5 (66.4; 70.7)

68.4 (66.8; 70.1)*

Myocardial mass, diastolic (g)

143.6 (139.0; 148.3)

138.6 (134.2; 143.0)

140.8 (134.3; 147.3)

140.0 (135.1; 144.9)

Myocardial mass, systolic (g)

146.6 (141.7; 151.4)

141.6 (137; 146.2)

141.3 (134.5; 148.1)

142.7 (137.6; 147.8)

Peak systolic ejection rate (ml/s)

−374.6 (−398.7; −350.5)

−346.0 (−368.8; −323.1)

−363.8 (−397.8; −329.8)

−335.8 (−361.2; −310.4)*

Early diastolic filling rate (ml/s)

254.2 (234.4; 274.0)

218.0 (199.2; 236.7)**

223.5 (195.6; 251.5)

204.8 (183.9; 225.7)**

Late diastolic filling rate (ml/s)

253.2 (226.7; 279.7)

237.8 (212.7; 262.9)

237.4 (199.9; 274.8)

217.9 (189.9; 245.8)

  1. Data are adjusted predicted means and 95% confidence intervals after linear regression adjusted for age, sex, body mass index, systolic blood pressure, diastolic blood pressure, diabetes mellitus; BSA, body surface area.
  2. **p < 0.01, *p < 0.05, §Reference category = “regular >2 h/week”.
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