Table 2: Prevalence of entheseal reaction as a function of location and health status.

Enthesis	Side	RA	Sp	CPPD	DISH	Healthy	Enthesis	Side	RA	Sp	CPPD	DISH	Healthy
Achilles	R	9	9	10	10	11	Vertebra C1^*		0	1	1	0	0
	L	13	9	8	10	9	C2		0	2	2	0	0
Plantar	R	6	11	6	4	5	C3		0	2	2	0	0
	L	6	7	5	5	5	C4		0	2	1	0	0
Lateral knee	R	2	4	6	5	4	C5		0	2	2	0	0
	L	2	4	7	5	3	C6		0	2	2	0	0
Medial knee	R	4	5	5	5	3	C7		0	2	2	0	0
	L	4	5	6	6	4	Vertebra T1		0	2	2	5	1
Patello-femoral	R						T2		0	2	2	5	1
	L						T3		0	2	2	5	1
Patello-tibial	R						T4		0	2	2	5	1
	L						T5		0	2	2	5	1
Greater trochanter	R	7	8	9	5	4	T6		0	2	4	5	1
	L	7	8	9	6	3	T7		0	2	2	5	1
Ischial tuberosity	R	6	6	7	6	1	T8		0	2	2	5	1
	L	6	6	7	5	1	T9		0	2	2	5	1
Anterior superior iliac spine	R	0	0	1	0	0	T10		0	2	2	5	1
	L	0	0	1	0	0	T11		1	2	2	5	1
Iliac crest	R	2	1	3	0	1	T12		1	2	2	5	1
	L	2	1	3	0	1	Vertebra L1^*		0	7	7	4	4
Posterior superior iliac spine	R	5	6	6	6	0	L2		0	7	7	4	4
	L	6	6	6	6	0	L3		0	7	7	4	3
Lateral elbow	R	11	9	11	9	5	L4		1	7	7	4	3
	L	8	9	11	9	5	L5		1	7	7	4	3
Medial elbow	R	8	4	9	3	4	Costochondral 1	R	0	0	0	0	0
	L	8	6	10	4	4		L	0	0	1	0	0
Greater tuberosity	R	5	6	7	5	2	5	R	2	2	0	3	3
	L	2	6	7	4	4		L	4	4	2	4	4
Lesser tuberosity	R						6	R	1	1	4	1	1
	L							L	1	1	1	1	1
Nuchal crest	R	2	1	1	1	0	7	R	0	0	1	0	0
	L	2	1	2	4	4		L	0	0	0	0	0

^*Spinous process.