Table 3.

Separate logistic regression analysis models for calprotectin and CRP to predict PD synovitis.

Model 1	OR	95% CI	p
Age	1.007	0.955 – 1.062	0.794
Gender	1.614	0.389 – 6.692	0.510
Disease duration	1.016	0.953 – 1.084	0.619
SJC	2.020	0.932 – 4.379	0.075
ACPA positivity	1.530	0.499 – 4.697	0.457
Calprotectin	1.014	1.002 – 1.027	0.024
Model 2	OR	95% CI	p
Age	1.006	0.955 – 1.060	0.818
Gender	1.327	0.345 – 5.101	0.681
Disease duration	1.018	0.958 – 1.083	0.562
SJC	2.347	1.033 – 5.332	0.042
ACPA positivity	1.119	0.385 – 3.251	0.837
CRP	1.009	0.974 – 1.045	0.630