A pilot investigation of the prevalence of US-detectable forefoot joint pathology and reported foot-related disability in participants with systemic lupus erythematosus

Table 2 Demographic characteristics of 20 SLE participants and their self-reported foot impairment and activity limitation

Participants	Age (years)	Sex	Duration of SLE (years)	RF positivity	FIS_IF	FIS_AP
1	46	Female	9	Negative	12	1
2	51	Female	5	Positive	8	10
3	66	Female	36	Negative	13	1
4	56	Female	18	Negative	10	19
5	40	Female	14	-	1	0
6	55	Female	19	Positive	9	2
7	62	Female	11	Negative	15	21
8	41	Female	2	-	4	0
9	60	Female	13	Positive	18	17
10	63	Female	15	Positive	0	0
11	57	Female	9	Negative	16	29
12	45	Female	12	-	9	11
13	60	Male	8	Negative	7	7
14	63	Male	7	Positive	13	16
15	38	Female	14	Negative	14	21
16	73	Female	7	-	14	27
17	64	Female	5	Negative	13	11
18	67	Female	22	Negative	4	8
19	44	Female	8	Negative	3	1
20	20	Female	7	Negative	16	22

ISSN: 1757-1146