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. Author manuscript; available in PMC: 2021 Nov 10.
Published in final edited form as: J Rheumatol. 2018 Jul 1;45(8):1153–1158. doi: 10.3899/jrheum.170518

Table 3.

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.