TABLE 3.

Two Logistic Regression Models of Predictors of LD in Patients With JDM

Variable	Coefficient	Standard Error	p Value	OR	95% Wald Confidence Limits
Joint contractures	2.53	0.90	0.005	12.6	2.2–73.2
Panniculitis	2.58	1.00	0.010	13.2	1.9–93.8
Calcinosis	1.20	0.66	0.070	3.3	0.91–12.2
Likelihood ratio chi square 34.7, p < 0.001; percent concordant 81.6.
Variable	Coefficient	Standard Error	p Value	OR	95% Wald Confidence Limits
Calcinosis	1.50	0.64	0.019	4.5	1.3–15.6
Muscle atrophy	1.49	0.71	0.037	4.4	1.1–18.0
Joint contractures	1.62	0.88	0.067	5.0	0.89–28.3
Likelihood ratio chi square 30.67, p < 0.001; percent concordant 80.3.