The Peptide CommonsEst. May 2024
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Tags · Evidence

risk of bias

Structured appraisal of internal validity.

83 topics 21 solved Group: Evidence

Related in this group: STEP programme · SURMOUNT programme · SURPASS programme · SELECT trial · FLOW trial · SOUL trial · TRIUMPH programme · PIONEER programme · SUSTAIN programme · LEADER trial · randomised trial · meta-analysis

83 topics · page 1 of 3

TopicParticipantsRepliesViewsActivity
Journal club: indirect comparison between two programmes, defended and attacked
Journal club: indirect comparison between two programmes, defended and attacked Writing it up because I had to work it out twice and would rather nobody else did. Comparing SUSTAIN 6 ( N Engl J Med , 2016)…
BPTTARNSET+122 131 5.2k just now
Journal club: STEP 1 and the treatment-policy estimand
Journal club: STEP 1 and the treatment-policy estimand Writing it up because I had to work it out twice and would rather nobody else did. Comparing SUSTAIN 6 ( N Engl J Med , 2016) with STEP 8 ( JAMA , 2022)…
ZNBSRTW 3 11k 9h
Journal club: STEP 8 and the fairness of the comparator dose — a second dataset
Posting this under the heading it deserves: Journal club: STEP 8 and the fairness of the comparator dose — a second dataset Everything below is what sits behind that. Session topic: SURPASS-2 ( N Engl J Med ,…
OLIADSRFDO+18 22 656 13h
Journal club: semaglutide in MASH, and surrogate endpoints
Posting this under the heading it deserves: Journal club: semaglutide in MASH, and surrogate endpoints Everything below is what sits behind that. Comparing SCALE ( N Engl J Med , 2015) with SURMOUNT-2 (…
MDSRSGSLSC+24 28 17k 15h
Journal club: STEP 1 and the treatment-policy estimand — does this still hold?
Asking directly, because I could not find a straight answer: Journal club: STEP 1 and the treatment-policy estimand — does this still hold? Comparing STEP 2 ( Lancet , 2021) with SURPASS-2 ( N Engl J Med ,…
GKRCDALB+70 76 4.8k 15h
A critique that turned out to be unfair, retracted by its author
Posting this under the heading it deserves: A critique that turned out to be unfair, retracted by its author Everything below is what sits behind that. Session topic: SURMOUNT-4 ( JAMA , 2024). Please read it…
MSASFIONS+34 38 20k 17h
Coming back to: A structured critique template this community uses
Posting this under the heading it deserves: A structured critique template this community uses Everything below is what sits behind that. Comparing STEP 8 ( JAMA , 2022) with SURMOUNT-1 ( N Engl J Med , 2022)…
SOFAKHASMY+63 69 17k 18h
Immortal time bias in a claims-database study — one year on
Posting this under the heading it deserves: Immortal time bias in a claims-database study — one year on Everything below is what sits behind that. Comparing SURPASS-2 ( N Engl J Med , 2021) with SURMOUNT-1 (…
VMDMMGRPT+41 46 3.7k 22h
Risk-of-bias tools and the judgement they conceal — does this still hold?
Risk-of-bias tools and the judgement they conceal — does this still hold? — that is the question, and I have not found it answered plainly anywhere I have looked. Comparing SURPASS-2 ( N Engl J Med , 2021)…
GLGEBSR+26 30 5.8k 23h
Pooling trials with different estimands
On the subject in the title: Pooling trials with different estimands Working notes rather than a conclusion. Comparing SELECT ( N Engl J Med , 2023) with SURMOUNT-1 ( N Engl J Med , 2022) and finding the…
RCFCTSRMME+120 132 2.3k 1d
A structured critique template this community uses
A structured critique template this community uses — setting out what I have, and where I think it stops being reliable. Comparing SURMOUNT-2 ( Lancet , 2023) with SURPASS-4 ( Lancet , 2021) and finding the…
ZOCEK 2 18k 1d
Selection into a registry and what it does to the estimate — a second dataset
Posting this under the heading it deserves: Selection into a registry and what it does to the estimate — a second dataset Everything below is what sits behind that. Session topic: SURMOUNT-4 ( JAMA , 2024).…
PBINVFPES+28 32 1.3k 1d
Revisiting: How this community labels and discusses unrefereed work
Revisiting: How this community labels and discusses unrefereed work Writing it up because I had to work it out twice and would rather nobody else did. I have seen SURMOUNT-OSA ( N Engl J Med , 2024) cited in…
VBNKEARSI+31 35 7k 1d
Journal club: SUSTAIN 6 and its retinopathy signal
On the subject in the title: Journal club: SUSTAIN 6 and its retinopathy signal Working notes rather than a conclusion. I have seen SELECT ( N Engl J Med , 2023) cited in support of a claim I do not think it…
LAMRZHOJI+110 122 46k 1d
Coming back to: Why a preprint's supplementary material is often the best part
Why a preprint's supplementary material is often the best part — that is the question, and I have not found it answered plainly anywhere I have looked. Comparing SURPASS-2 ( N Engl J Med , 2021) with STEP 4 (…
GDIBDTHFBV+109 116 36k 2d
Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field
Revisiting: Journal club: SURMOUNT-OSA and a hard endpoint in a soft field — setting out what I have, and where I think it stops being reliable. Comparing LEADER ( N Engl J Med , 2016) with SUSTAIN 6 ( N Engl…
FPHMLPAAVB+108 122 52k 7d
Revisiting: Journal club: SURMOUNT-1, read without the press release
On the subject in the title: Revisiting: Journal club: SURMOUNT-1, read without the press release Working notes rather than a conclusion. Session topic: PIONEER 6 ( N Engl J Med , 2019). Please read it before…
PPKFAALMDN+54 62 1.5k 26d
Journal club: STEP 3 and the intensive behavioural therapy floor
Posting this under the heading it deserves: Journal club: STEP 3 and the intensive behavioural therapy floor Everything below is what sits behind that. Comparing SCALE ( N Engl J Med , 2015) with STEP 4 (…
LSDOJFPWCL+6 10 13k 28d
Second pass at: A pooled estimate that changed when one trial was added
On the subject in the title: Second pass at: A pooled estimate that changed when one trial was added Working notes rather than a conclusion. Session topic: SELECT ( N Engl J Med , 2023). Please read it before…
FLSTYAWNRM+26 30 22k 1mo
Journal club: SELECT, absolute risk, and how it was reported — a second dataset
On the subject in the title: Journal club: SELECT, absolute risk, and how it was reported — a second dataset Working notes rather than a conclusion. Comparing SURMOUNT-1 ( N Engl J Med , 2022) with SELECT ( N…
VKJBFNAITH 4 1.3k 1mo
How this community labels and discusses unrefereed work — the long version
Asking directly, because I could not find a straight answer: How this community labels and discusses unrefereed work — the long version I have seen SURMOUNT-1 ( N Engl J Med , 2022) cited in support of a…
ITLCNBBI+18 23 21k 2mo
About the Preprints category
Unrefereed work, clearly labelled as such, with the usual caveats stated once and taken seriously. This post is a community wiki: any member at trust level 3 or above can edit it, and every edit is recorded…
JMDONIBSP+3 7 14k 3mo
Publication bias detection and its low power — does this still hold?
The question in the title: Publication bias detection and its low power — does this still hold? I will give what I have already checked below so nobody repeats it. I have seen LEADER ( N Engl J Med , 2016)…
RCGAKDBSP+24 28 2.4k 3mo
The "under review" status pill and when a moderator applies it
Posting this under the heading it deserves: The "under review" status pill and when a moderator applies it Everything below is what sits behind that. Session topic: SURMOUNT-4 ( JAMA , 2024). Please read it…
NLAMDOVRV+96 119 17k 3mo
Coming back to: Measurement error in a self-reported exposure
Measurement error in a self-reported exposure — setting out what I have, and where I think it stops being reliable. I have seen FLOW ( N Engl J Med , 2024) cited in support of a claim I do not think it…
LARNOAKACD+23 27 49k 3mo
Second pass at: What pooling buys you and what it destroys
Posting this under the heading it deserves: Second pass at: What pooling buys you and what it destroys Everything below is what sits behind that. I have seen STEP 8 ( JAMA , 2022) cited in support of a claim…
MHCCYMRMBJ+32 36 19k 4mo
Prediction intervals and why they are more honest than confidence intervals
Posting this under the heading it deserves: Prediction intervals and why they are more honest than confidence intervals Everything below is what sits behind that. Comparing SURMOUNT-4 ( JAMA , 2024) with FLOW…
DBWSRMON+21 25 46k 4mo
Preprint servers and what screening they do — the long version
On the subject in the title: Preprint servers and what screening they do — the long version Working notes rather than a conclusion. Session topic: PIONEER 6 ( N Engl J Med , 2019). Please read it before…
APNEYASSRM+7 11 26k 4mo
Citing a preprint in a maintained document: our rule and its reasoning
On the subject in the title: Citing a preprint in a maintained document: our rule and its reasoning Working notes rather than a conclusion. I have seen SELECT ( N Engl J Med , 2023) cited in support of a…
OVSLTN 2 467 4mo
Journal club: PIONEER 6 as a safety trial
Posting this under the heading it deserves: Journal club: PIONEER 6 as a safety trial Everything below is what sits behind that. Session topic: SURMOUNT-4 ( JAMA , 2024). Please read it before posting; the…
SCMONMWSH+14 18 262 5mo