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Table 2 TPP parameters calculated. a = p < 0.05, b = p < 0.01 Heart Failure vs Normal, c = p < 0.01 Heart Failure vs Impaired Relaxation

From: Thermodynamic phase plane analysis of ventricular contraction and relaxation

  

Normal

Impaired Relaxation

Heart Failure

κ

degrees

50.8 ± 11.7

56.4 ± 12.0

69.6 ± 7.8a

bκ (×103)

mmHg.ml/s

108.4 ± 51.3

148.0 ± 90.9

188.0 ± 35.9

ρ

degrees

-25.9 ± 8.5

-22.5 ± 9.9

-14.6 ± 10.4

bρ (×103)

mmHg.ml/s

-13.5 ± 3.8

-10.4 ± 4.2

12.1 ± 6.2b,c

δ

degrees

76.6 ± 15.7

78.8 ± 13.5

89.8 ± 9.1