The foot: still the most important reason for walking incapacity in rheumatoid arthritis: Distribution of symptomatic joints in 1,000 RA patients

Figures & data

Table 1.  Joints involved in the debut (n = 997)

Percentage of	Forefoot	Hindfoot/ankle	Knee	Hip	Finger	Wrist	Elbow	Shoulder
All	45	17	32	10	58	44	14	28
	Foot as one entity: 53				Hand as one entity: 72
	(85% forefoot, 32% hindfoot/ankle)				(81% finger, 62% wrist)

Table 2.  Currently affected joints (n = 992)

Percentage of	Foot	Knee	Hip	Hand	Elbow	Shoulder
All	80	55	29	83	36	57
Patients on anti-TNF	82	52	31	81	41	58
Patients not on anti-TNF	79	56	28	83	34	56

Table 3.  Joints affecting the subjective walking capacity (n = 996)

	Foot and ankle	Knee	Hip
Most obstructing joint, %	41	16	9
Only obstructing joint, %	32	8	7