Peripheral blood but not synovial fluid natural killer T cells are biased towards a Th1-like phenotype in rheumatoid arthritis

Table 1 Patient characteristics

Patient	Age (years)/sex	Disease duration (years)	Treatment
1	54/M	5	Azathioprine, methylprednisolone
2	38/F	6	Hydroxychloroquine, salazopyrine
3	64/F	7	NSAID
4	43/F	5	NSAID
5	46/M	1	Salazopyrine
6	46/M	<1	Salazopyrine
7	52/M	11	NSAID
8	53/F	11	NSAID
9	49/M	10	NSAID
10	52/F	4	NSAID
11	69/F	36	Salazopyrine
12	65/F	<1	Untreated
13	35/M	<1	Untreated
14^a	57/F	4	Methotrexate
15^a	46/M	2	Anti-TNF, salazopyrine
16^a	41/M	10	Salazopyrine
17^a	41/M	13	Methotrexate
18^a	60/M	2	Leflunomide
19^a	43/F	5	Methotrexate
20^b	63/M	17	Salazopyrine
21^a,b	65/F	4	Salazopyrine, hydroxychloroquine
22^b	62/F	12	Leflunomide
23^b	54/F	17	Methylprednisolone

^aSynovial fluid sample. ^bSynovial tissue sample. F, female; M, male; NSAID, nonsteroidal anti-inflammatory drug; TNF, tumour necrosis factor.