Table 2.
Multiple logistic analysis results of the RDW–SD and RDW–CV in predicting aortic valve calcification.
| Total | Adjusted odds ratio (95% CI) | p-value | |||||||||
| Hypertension | 2.195 (1.608–2.997) | 0.001 | |||||||||
| Diabetes mellitus | 1.469 (1.061–2.034) | 0.021 | |||||||||
| eGFR | 0.977 (0.965–0.987) | 0.001 | |||||||||
| RDW–CV | 1.247 (1.115–1.394) | 0.001 | |||||||||
| RDW–SD | 1.055 (0.965–0.987) | 0.005 | |||||||||
| Subgroup | Q1 | Q2 | p for interaction | Q3 | p for interaction | Q4 | p for interaction | ||||
| Characteristics | Adjusted odds ratio (95% CI) | p-value | Adjusted odds ratio (95% CI) | p-value | Adjusted odds ratio (95% CI) | p-value | |||||
| RDW–CV | |||||||||||
| Hypertension | Ref | ||||||||||
| Yes | 0.988 | 0.951 | 0.381 | 1.135 | 0.240 | 0.303 | 1.250 | 0.001 | 0.310 | ||
| (0.638–1.528) | (0.919–1.403) | (1.091–1.431) | |||||||||
| No | 0.915 | 0.213 | 0.947 | 0.759 | 1.218 | 0.064 | |||||
| (0.456–1.840) | (0.668–1.342) | (0.989–1.499) | |||||||||
| Diabetes mellitus | Ref | ||||||||||
| Yes | 0.925 | 0.681 | 0.663 | 1.153 | 0.439 | 0.595 | 1.293 | 0.035 | 0.418 | ||
| (0.428–2.002) | (0.804–1.655) | (1.018–1.641) | |||||||||
| No | 1.039 | 0.934 | 1.077 | 0.482 | 1.251 | 0.001 | |||||
| (0.684–1.576) | (0.876–1.324) | (1.101–1.422) | |||||||||
| eGFR | Ref | ||||||||||
| 60 | 1.119 | 0.001 | 0.078 | 1.085 | 0.946 | 0.978 | 1.232 | 0.003 | 0.035 | ||
| (0.769–1.628) | (0.899–1.309) | (1.094–1.388) | |||||||||
| 60 | 0.117 | 0.736 | 1.133 | 0.772 | 1.161 | 0.192 | |||||
| (0.011–1.212) | (0.560–2.292) | (0.747–1.803) | |||||||||
| RDW–SD | |||||||||||
| Hypertension | Ref | ||||||||||
| Yes | 1.383 | 0.150 | 0.548 | 1.289 | 0.026 | 0.705 | 1.394 | 0.01 | 0.100 | ||
| (0.890–2.150) | (1.037–1.602) | (1.212–1.602) | |||||||||
| No | 1.247 | 0.568 | 1.109 | 0.588 | 1.316 | 0.021 | |||||
| (0.584–2.659) | (0.763–1.612) | (1.043–1.662) | |||||||||
| Diabetes mellitus | Ref | ||||||||||
| Yes | 1.446 | 0.335 | 0.565 | 1.263 | 0.235 | 0.046 | 1.346 | 0.016 | 0.553 | ||
| (0.683–3.062) | (0.859–1.859) | (1.056–1.714) | |||||||||
| No | 1.277 | 0.277 | 1.214 | 0.076 | 1.359 | 0.029 | |||||
| (0.822–1.985) | (0.980–1.530) | (1.185–1.557) | |||||||||
| eGFR | Ref | ||||||||||
| 60 | 1.273 | 0.222 | 0.252 | 1.167 | 0.116 | 0.761 | 1.279 | 0.001 | 0.701 | ||
| (0.864–1.876) | (0.963–1.415) | (1.130–1.447) | |||||||||
| 60 | 5.455 | 0.148 | 2.882 | 0.060 | 2.759 | 0.089 | |||||
| (0.548–54.276) | (0.955–8.702) | (1.343–5.668) | |||||||||
RDW–SD, red cell distribution width–standard deviation; RDW–CV, red cell distribution width–coefficient of variation; eGFR, estimated glomerular filtration rate; Q1, the first quartile; Q2, the second quartile; Q3, the third quartile; Q4, the fourth quartile.