Obese subgroup | Non-obese subgroup | ||||
---|---|---|---|---|---|

Regression coefficient (95% CI)* | P value |
Regression coefficient (95% CI)* | P value | P value for difference† | |

WOMAC pain score
| |||||

LCPA |
-3.13 (-5.60, -0.67) | 0.01 |
0.56 (-0.63, 1.75) | 0.36 | 0.01 |

SA |
0.42 (-1.46, 2.29) | 0.66 |
-0.1 (-0.79, 0.77) | 0.98 | 0.68 |

I-S ratio |
87.80 (-30.86, 206.46) | 0.15 |
-37.58 (-101.45, 26.29) | 0.25 | 0.06 |

Medial patella cartilage volume
| |||||

LCPA |
86.36 (26.15, 146.58) | 0.01 |
47.81 (-22.37, 117.99) | 0.18 | 0.41 |

SA |
12.01 (-35.76, 59.77) | 0.62 |
-55.61 (-104.79, -6.43) | 0.03 | 0.05 |

I-S ratio |
-3093.84 (-6260.66, 72.98) | 0.06 |
-2943.85 (-6497.61, 603.91) | 0.10 | 0.95 |

Lateral patella cartilage volume
| |||||

LCPA |
49.36 (-29.20, 127.93) | 0.22 |
48.77 (-52.06, 149.60) | 0.34 | 0.99 |

SA |
53.63 (-6.93, 114.19) | 0.08 |
31.12 (-44.23, 106.48) | 0.41 | 0.64 |

I-S ratio |
-3594.17 (-75463.31, 357.98) | 0.07 |
-2433.12 (-7752.83, 2886.59) | 0.37 | 0.73 |