Table 1. Patient characteristics
Patient no.
Patient data SYS1 SYS2 SYS3 SYS4 SYS5 SYS11 SYS12* SYS13* SYS6 SYS7 SYS8 SYS9 SYS10
Age, years 12 13 7 2 14 5 4 9 2 10 3 8 16
Sex F M M F F F M F F F F M F
Fever Yes No No Yes Yes Yes Yes Yes Yes No Yes No Yes
Arthritis Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Nonsteroidal antiinflammatory drugs Yes Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes
s.c. methotrexate Yes No Yes Yes No Yes No No Yes Yes Yes Yes Yes
Oral prednisone Yes No No Yes No Yes No No Yes Yes Yes Yes Yes
i.v. solumedrol No No No Yes No Yes No No Yes Yes Yes Yes Yes
Infliximab No No No No No No No No Yes Yes Yes Yes Yes
No. of infusions 3 11 2 5 3
Dose, mg/kg 5 7 5 5 5
Seroconversion Yes No Yes No No
• M, male; F, female.

• * Patients were newly diagnosed and had not received any previous treatment except for nonsteroidal antiinflammatory drugs

• No. of infliximab infusions prior to the microarray sample extraction