The TNFA -857C/T Polymorphism: Association with Rheumatoid Arthritis and Anti-CCP Levels in a Mexican Population

Table 1

Sociodemographic and clinical characteristics of RA patients and controls.

	RA patients		Controls
	Anti-CCP-positive	Anti-CCP-negative
	171	62	237
Age
Female/male	158/13	56/6	218/19
DAS28^a			—
Anti-CCP (U/mL)^a			—
sHAQ-DI^b	1.0 (0.0, 2.5)	1.0 (0.0, 2.0)	—
Treatment			—
Biologics ()	32	4	—
Etanercept	22	3	—
Adalimumab	9	0	—
Tocilizumab	1	1	—
Methotrexate ()	171	55	—
Corticosteroids ()	155	50	—

RA: rheumatoid arthritis; anti-CCP: anticyclic citrullinated peptide antibodies; DAS28: Disease Activity Scores using 28-joint counts; sHAQ-DI: Spanish version of the Health Assessment Questionnaire Disability Index. ^a; ^bmedian (min, max).