Table 4.
Association of weight change on a continuous and categorical (≥20% vs <20%) scales with quantitatively-measured cartilage thickness change across baseline and 1-year follow-up visits.
| Thickness Change Sub-Region | Coefficient (95% CI) | |
|---|---|---|
| A Unit Change (1%) in Weight | ≥20% Weight Loss at 1-Year (Reference Level: <20%) | |
| Δ ccMF | -0.0014 (-0.0044, 0.0016) | 0.0277 (-0.0610, 0.1164) |
| Δ ecMF | -0.0016 (-0.0038, 0.0006) | 0.0293 (-0.0371, 0.0957) |
| Δ icMF | -0.0008 (-0.0029, 0.0013) | 0.0011 (-0.0612, 0.0635) |
| Δ cMT | 0.0029 (-0.0001, 0.0059) | -0.0332 (-0.1236, 0.0572) |
| Δ eMT | 0.0012 (-0.0015, 0.0038) | -0.0287 (-0.1080, 0.0506) |
| Δ iMT | 0.0004 (-0.0025, 0.0033) | 0.0324 (-0.0538, 0.1185) |
| Δ aMT | 0.0031 (0.0010, 0.0053) * | -0.0789 (-0.1434, -0.0144) * |
| Δ pMT | -0.0004 (-0.0022, 0.0013) | 0.0054 (-0.0464, 0.0572) |
| Δ ccLF | 0.0013 (-0.0009, 0.0036) | -0.0098 (-0.0784, 0.0588) |
| Δ ecLF | 0.0011 (-0.0015, 0.0038) | -0.0121 (-0.0916, 0.0674) |
| Δ icLF | 0.0003 (-0.0016, 0.0023) | 0.0335 (-0.0255, 0.0924) |
| Δ cLT | 0.0052 (0.0017, 0.0088) * | -0.0808 (-0.1943, 0.0328) |
| Δ eLT | 0.0023 (0.0002, 0.0045) | -0.0467 (-0.1142, 0.0209) |
| Δ iLT | 0.0008 (-0.0014, 0.0031) | 0.0120 (-0.0561, 0.0800) |
| Δ aLT | 0.0019 (0.0000, 0.0037) | -0.0459 (-0.1028, 0.0110) |
| Δ pLT | -0.0005 (-0.0026, 0.0017) | 0.0455 (-0.0189, 0.1100) |
Confidence interval excluded the null value, i.e. zero, indicating statistical significance at p<.0.05.
CI - confidence interval, Δ xcMF - change in quantitatively-measured cartilage thickness in central, external, or internal sub-regions of medial femoral cartilage plate, Δ xMT - change in quantitatively-measured cartilage thickness in central, external, internal, anterior, or posterior sub-regions of medial tibial cartilage plate, Δ xcLF - change in quantitatively-measured cartilage thickness in central, external, or internal sub-regions of lateral femoral cartilage plate, Δ xLT - change in quantitatively-measured cartilage thickness in central, external, internal, anterior, or posterior sub-regions of lateral tibial cartilage plate.