CEACAM5 and Arthralgia: Fever OR 3.672 (1.794–7.516)Elevated ALT OR 2.355 (1.153–4.813)Elevated LDH OR 3.083 (1.517–6.266)Lymphopenia OR 2.141 (1.013–4.528)Elevated Ferritin OR 4.965 (1.973–12.498)Elevated CEA OR 2.276 (1.128–4.591)Elevated CA 15.3 OR 3.305 (1.502–7.272)Protective:Arthralgia OR 0.281 (0.138–0.570)