Table 2. Association of Reference Equation Parameters With Changes in Interpretation.
| Characteristic | New impairment | Increased severity | ||
|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Age, y | 1.00 (0.99-1.01) | .70 | 1.02 (1.01-1.03) | <.001 |
| Height, cm | 1.03 (1.01-1.04) | .003 | 1.02 (1.01-1.04) | <.001 |
| Sex | ||||
| Male | 1 [Reference] | NA | 1 [Reference] | NA |
| Female | 1.4 (1.0-1.9) | .05 | 0.6 (0.5-0.8) | <.001 |
| Race | ||||
| White | 1 [Reference] | NA | 1 [Reference] | NA |
| Black | 15.2 (11.6-20.3) | <.001 | 237.2 (133.3-478.0) | <.001 |
Abbreviations: NA, not applicable; OR, odds ratio.