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  2. What is number needed...
  3. What is number needed to harm (NNH)?
Endgames Statistical Question

What is number needed to harm (NNH)?

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f4869 (Published 02 August 2013) Cite this as: BMJ 2013;347:f4869

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 December 2024

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AbstractFullPdf
Jan 2018141458
Feb 2018112417
Mar 2018184523
Apr 2018258605
May 2018274462
Jun 2018239525
Jul 2018168459
Aug 2018301646
Sep 2018340895
Oct 201862115111
Nov 201846911114
Dec 2018396875
Jan 2019386837
Feb 2019349724
Mar 2019427809
Apr 20195711098
May 2019446724
Jun 2019478624
Jul 2019452505
Aug 2019495633
Oct 201967712011
Nov 20194597612
Dec 2019417626
Jan 2020373495
Feb 2020300402
Mar 2020319383
May 2020349325
Jun 2020211274
Jul 2020249195
Aug 2020390271
Sep 2020215295
Oct 2020476434
Nov 2020505618
Dec 2020371694
Jan 2021447739
Feb 2021380437
Mar 2021615603
Apr 2021571478
May 2021237272
Jun 2021163186
Jul 2021204245
Aug 2021240232
Sep 2021154253
Oct 2021349428
Nov 2021272122
Dec 2021188178
Jan 2022218265
Feb 2022260235
Mar 20223553310
Apr 2022200131
May 2022183214
Jun 2022107301
Jul 20221051410
Aug 2022195448
Sep 2022313677
Oct 2022122378
Nov 2022209367
Dec 20222752611
Jan 2023347298
Feb 2023242385
Mar 2023375529
Apr 20234666210
May 20233194611
Jun 20233104611
Jul 2023219282
Aug 2023210385
Sep 2023270256
Oct 2023270273
Nov 2023243399
Dec 2023202225
Jan 20243425110
Feb 2024245282
Mar 2024222336
Apr 20242993013
May 20242894910
Jun 2024194388
Jul 2024248323
Aug 2024211136
Sep 202421180
Oct 2024234194
Nov 202410584
Dec 20241400
Total248673668489
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