Changes in clinical disease activity are weakly linked to changes in MRI inflammation on treat-to-target escalation of therapy in rheumatoid arthritis

Table 1 Patient characteristics on enrolment

Clinical characteristic at recruitment	Total		Group A		Group B		Chi-square p value*
Clinical characteristic at recruitment	(N = 80)		(N = 57)		(N = 23)		Chi-square p value*
Gender
Female	60	75%	42	73.68%	18	78.26%	0.67
Male	20	25%	15	26.32%	5	21.74%
Age (months)	54.5 (24, 82)		53 (24, 81)		56 (27, 82)		0.22
Disease duration (months)	36 (3, 408)		30 (3, 408)		72 (15, 240)		0.0014
On methotrexate
Yes	70	87.5%	49	85.96%	21	91.3%	0.72
No	10	12.5%	8	14.04%	2	8.7%

Data presented as n (%). Age and disease duration expressed as median (minimum, maximum) values
*Median two-sample test p value