PADI4 Haplotypes in Association with RA Mexican Patients, a New Prospect for Antigen Modulation

Table 2

Demographic and clinical characteristics of RA patients.

Characteristic	RA (𝑛=86)
Age (x ± SD)	50 ± 12
Smoking	17%
Years with RA (x ± SD)	11 ± 7
Functional class
I	8%
II	79%
III	11%
IV	2%
HAQ-DI (x ± SD)	1.22 ± 1.00
DAS 28 (x ± SD)	4.4 ± 1.3
RARBIS (x ± SD)	6.26 ± 2.70
RF (IgG) +	66%
ACPA (IgM) +	74%
Treatments	n (%)
Chloroquine	33 (38)
Sulfasalazine	47 (55)
Methotrexate	65 (76)
Azathioprine	25 (29)
Cyclosporine	1 (1)
Infliximab	2 (2)
Etanercept	10 (11)
Cyclophosphamide	1 (1)
Corticosteroids	72 (80)

HAQ-DI: health assessment questionnaire disability index, DAS: disease activity score, RARBIS: RA medical records-based index of severity, and RF: rheumatoid factor.