Prevalence, impact and care of foot problems in people with rheumatoid arthritis: results from a United Kingdom based cross-sectional survey

Table 2 Clinical characteristics responders

Demographic and clinical characteristics responders (n = 413)
Disease duration median years (IQR)		10 (5 to 20)
Age at diagnosis mean years (SD)		50.3 (14.9)
Arthritis medications number (%)	NSAIDs	128 (31.0)
	DMARDs	339 (82.1)
	Glucocorticoids	122 (29.5)
	Biologics	74 (17.9)
HAQ median score (IQR)^b		1.5 (0.75 to 2.0)
FIS median score (IQR)^{a b}	FIS_IF	10 (6 to 14)
FIS median score (IQR)^{a b}	FIS_AP	16 (7 to 23)
Importance median score (IQR)^a		6 (3 to 8)
Cope median score (IQR)^a		5 (3 to 7)
Severity median score (IQR)^a		6 (3 to 8)
Impact of foot problems on ability to work number (%)	Yes	156 (37.8)
	No	98 (23.7)
	Not applicable	159 (38.5)
Time interval of last recalled foot examination number (%)^b	0–6 months	89 (21.6)
	> 6–12 months	61 (14.8)
	> 12–18 months	34 (8.3)
	> 18 months	97 (23.5)
	Can’t remember	31 (7.5)
	Never had feet examined	100 (24.3)

^a FIS _IF Foot Impact Score foot impairment/ footwear restriction subscale, FIS _AP FIS activity limitation/participation restriction subscale; Importance = importance of foot problems; Cope = ability to cope with foot problems; Severity = severity of foot problems
^bHAQ admissible n = 404; FIS admissible n = 400; foot examination admissible n = 412; IQR = Interquartile range

ISSN: 1757-1146