Number needed to treat: difference between revisions
Diff·revision 17 → 18·15:48, 31 Aug 2025
Difference between revision 17 and revision 18 of Number needed to treat. 2 lines changed; the page grew by 220 bytes.
| Revision 17 — 02:55, 3 Aug 2025 ForestPlotFinn (talk) expand §Number needed to harm 4,498 bytes ±0 | Revision 18 — 15:48, 31 Aug 2025 StubSorterBot (talk) bot: flag bare reference 4,718 bytes +220 | ||
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| 35 | It also assumes a binary outcome. For a continuous endpoint such as weight change, a number needed to treat requires a threshold — for example, the number needed to treat for one additional person to lose 10% of body weight — and the choice of threshold changes the number.{{r|altman1998}} Where the threshold is not pre-specified, the resulting figure is a post hoc construction.{{r|ich_e9}} | 35 | It also assumes a binary outcome. For a continuous endpoint such as weight change, a number needed to treat requires a threshold — for example, the number needed to treat for one additional person to lose 10% of body weight — and the choice of threshold changes the number.{{r|altman1998}} Where the threshold is not pre-specified, the resulting figure is a post hoc construction.{{r|ich_e9}} |
| 36 | 36 | ||
| + | 37 | Finally, it says nothing about the size of the benefit to the person who benefits. Two treatments with identical numbers needed to treat may prevent a transient symptom and a fatal event respectively.{{r|laupacis1988}} | |
| + | 38 | ||
| 37 | == References == | 39 | == References == |
| 38 | {{reflist}} | 40 | {{reflist}} |