Characteristics of methotrexate (MTX) treated rheumatoid arthritis (RA) patients and of RA controls who developed cancers
| Patient | Cancer | Agea | Sex | RA duration (years) | Sjögren syndrome | Treatment | Evolution of cancer | Follow upb (months) |
| 1 | melanoma | 62 | F | 30 | - | surgery | remission | 50 |
| 2 | lungc | 66 | M | 9 | + | surgery | death | - |
| 3 | NHLd | 66 | F | 14 | + | chemotherapy | remission | 71 |
| 4 | Hodgkin | 56 | M | 4.5 | - | radio- + chemotherapy | remisssion | 65 |
| 5 | gastrice | 69 | M | 4 | + | surgery | death | - |
| 6 | cervix | 44 | F | 21 | - | radiotherapy + surgery | remission | 33 |
| 7 | womb | 46 | F | 1 | + | surgery | remission | 24 |
| 8 | Paget of breast | 56 | F | 4 | - | radiotherapy + surgery | remission | 47 |
| 9 | cervix | 38 | F | 20 | - | surgery | remission | 66 |
| 10 | NHL | 37 | F | 19 | + | chemotherapy | recurrence | 60 |
| 11 | prostatic | 68 | M | 10 | - | surgery + hormone therapy | lostg | - |
| 12 | CMLf | 70 | F | 21 | + | chemotherapy | death | 14 |
| 13 | Waldenström | 79 | F | 10 | + | corticosteroids | remission | 36 |
| 14 | gastric | 69 | F | 3 | - | surgery | lostg | - |
Patients 1 to 8: MTX treated patients; patients 9 to 14: control patients; aage at diagnosis of cancer;bafter diagnosis of cancer; ctobacco abuse, 50 pack-years; dnon-Hodgkin lymphoma, centroblastic, centrocytic follicular, in lymph nodes and thyroid, with Hashimoto thyroiditis; e10 years before, 2/3 gastrectomy for peptic ulcer; fchronic myeloid leukemia; g lost to follow up