Methods | |||

Analysis | A vs. B (% points) | A vs. C (% points) | B vs. C (% points) |

Bland–Altman | |||

Mean ± 2 SDs | −1.1 ± 15.0 | −3.1 ± 17.2 | −4.2 ± 18.2 |

CI of mean | ±2.8 | ±3.3 | ±3.4 |

CI of limits | ±4.9 | ±5.6 | ±5.9 |

Linear regression (y = ax + b) | |||

a | 0.71 | 0.86 | 0.67 |

b | 20.6 | 12.2 | 25.6 |

R^{2} | 0.69 | 0.60 | 0.50 |

r | 0.83 | 0.77 | 0.70 |