All Data | Linear | Curvilinear | |
---|---|---|---|

n, no. of beats | 310 | 230 | 80 |

Monoexponential (τ) | |||

RMSE P vs. t, mmHg | 0.36±0.21 | 0.28±0.13 | 0.57±0.25 |

RMSE dP/dt vs. t, mmHg/s | 35±18 | 30±13 | 53±19 |

Logistic (τ_{L}) | |||

RMSE P vs. t, mmHg | 0.35±0.19 | 0.41±18 | 0.18±0.09 |

RMSE dP/dt vs. t, mmHg/s | 65±30* | 75±27 | 35±16 |

Model (μ and E_{k}) | |||

RMSE P vs. t, mmHg | 0.23±0.10 | 0.24±0.11 | 0.19±0.09 |

RMSE dP/dt vs. t, mmHg/s | 29±12 | 30±12 | 27±13 |

Data are means ± SD of root mean squared error (RMSE) vs. actual data in the P vs.

*t*or dP/d*t*vs.*t*plane. RMSE was consistent only in model fits, indicating poor fit of empirical models is likely high due to the large number of linear PPP beats.