Number needed to treat to cause one additional lymphoma per year
| Age (y) | Lymphoma incidence* | NNH if relative risk of lymphoma = 2 | NNH if relative risk of lymphoma = 4 | NNH if relative risk of lymphoma = 6 |
|---|---|---|---|---|
| *Incidence rates per 100 000 person years from 1996–2000 (SEER data17). | ||||
| NNH, number needed to harm one additional patient per year. | ||||
| 20–29 | 7.65 | 13072 | 4357 | 2614 |
| 30–39 | 10.70 | 9346 | 3115 | 1869 |
| 40–49 | 16.60 | 6024 | 2008 | 1205 |
| 50–59 | 29.60 | 3378 | 1126 | 676 |
| 60–69 | 56.45 | 1771 | 591 | 354 |
| 70–79 | 93.90 | 1065 | 355 | 213 |