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Education And Debate

Calculating the number needed to treat for trials where the outcome is time to an event

BMJ 1999; 319 doi: https://doi.org/10.1136/bmj.319.7223.1492 (Published 04 December 1999) Cite this as: BMJ 1999;319:1492

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: January 2018 to May 2024

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AbstractFullPdf
Jan 2018715512
Feb 2018777126
Mar 2018665921
Apr 2018707024
May 20181176928
Jun 201869526
Jul 20181086617
Aug 2018805711
Sep 2018685710
Oct 2018987214
Nov 20181154416
Dec 2018110308
Jan 20192306513
Feb 20191094419
Mar 2019574516
Apr 2019755923
May 201911118548
Jun 2019869812
Jul 2019975624
Aug 2019905617
Oct 201911811234
Nov 2019676418
Dec 2019873114
Jan 2020855319
Feb 20201557314
Mar 2020915213
May 20201389722
Jun 20201199924
Jul 20201495517
Aug 2020154435
Sep 20201999531
Oct 202029511526
Nov 20201676515
Dec 20201455314
Jan 20211493718
Feb 20211703411
Mar 20211544215
Apr 20211369731
May 202120610925
Jun 20211089421
Jul 202196279
Aug 2021176338
Sep 20211066715
Oct 20211087824
Nov 2021164499
Dec 20211663928
Jan 20221875313
Feb 20221606111
Mar 20221833615
Apr 20222222511
May 20222124819
Jun 20221776424
Jul 20221575918
Aug 2022984319
Sep 20221625916
Oct 20222987114
Nov 20223397619
Dec 20221963210
Jan 20231934316
Feb 2023237429
Mar 20232435015
Apr 2023238458
May 20232024619
Jun 20232085310
Jul 2023156289
Aug 20231604112
Sep 20232163523
Oct 2023211459
Nov 20231965023
Dec 20232397313
Jan 202433712418
Feb 20242978319
Mar 2024205578
Apr 20242124713
May 20242154614
Total1176845581272