Predictive significance of positive KL-6 for annualized percent change in FVC%.
| Variables | Estimate | 95% CI | p |
|---|---|---|---|
| Positive KL-6* | −0.07 | −0.12 to −0.01 | 0.016 |
| Sex, male | 0.06 | −0.01 to 0.12 | 0.053 |
| Disease type, limited | −0.03 | −0.08 to 0.02 | 0.261 |
| Scl-70 | −0.04 | −0.1 to 0.03 | 0.278 |
↵* KL-6 was dichotomized based on the previously published value of 1273 U/ml. FVC%: % forced vital capacity.