Table 1

Semiquantitative analysis of sPLA₂staining scores in synovial cell types and histologically scored inflammation

Patient number		sPLA₂staining score				Histological inflammation score
Patient number		EC	VSM			SLL	LL	Cumulative	LLT	MC	Cumulative
Rheumatoid arthritis
1	3	3	2.1	2.8	10.9		1	1	2
2	2.1	2.1	1.6	2.7	8.5		2	0.6	2.6
3	0.8	0.8	1	1.1	3.7		1	1	2
4	2.9	2.9	2.7	2.8	11.3		2	1	3
5	0.1	0.1	0.3	1.2	1.7		1	0.9	1.9
6	0.3	0.3	1	1.8	3.4		1	1.2	2.2
7	3	3	3	3	12		1	1.2	2.2
8	1.5	1.5	1.3	1.6	5.9		0	1.1	1.1
9	3	3	3	3	12		2	0.9	2.9
10	2.7	1.8	2.3	0	6.8		0	0	0
Osteoarthritis
11	0.6	0.6	0	0	1.2		0	0.3	0.3
12	0.6	0.6	0	0	1.2		0	0.6	0.9
13	2	1.9	2.1	0.5	6.5		0	0	0
14	3	3	2.7	2.6	11.3		0	0	0
15	1.6	0.8	0.9	1.5	4.8		1	0	1
16	2.4	2.5	2	0	6.9		0	0.2	0.2
17	2.9	2.6	2.6	2.3	10.4		0	0.1	0.1
18	1.7	1.6	1.6	0.3	5.2		0	0.4	0.4
19	1.4	1.4	0.5	0	3.3		0	0.4	0.4
20	0.4	0.6	0.4	0	1.4		0	0	0
Non-arthritic
21	0.3	0.3	0	0	0.6		0	0.1	0.1
22	0	0.5	0.6	0	1.1		0	0	0
23	0.2	0.2	0	0	0.4		0	0	0
24	1	1.2	0	0	2.2		0	0	0
25	2	1.0	1.7	0	4.7		1	0.3	1.3
26	2.5	2.4	0	0	4.9		0	0	0
27	0.4	0.2	0	0	0.6		0	0	0
28	0.9	0.1	0.6	0	1.6		0	0	0
29	1.3	1.0	0	0	2.3		0	0	0
30	2.9	2.9	2.9	3	11.7		0	0.1	0.1

EC, endothelium; VSM, vascular smooth muscle; SLL subsynovial lining layer; LL, synovial lining layer; LLT, synovial lining thickness; MC, mononuclear cell infiltrates. Scoring was performed as described in methods.