Evidence map›Paper›PMID 32571096›Full record

SynthesisAcupuncture in medicine : journal of the British Medical Acupuncture Society2021

Identifying patients with chronic pain who respond to acupuncture: results from an individual patient data meta-analysis.

Nadine E Foster, Emily A Vertosick, George Lewith, Klaus Linde, Hugh MacPherson, Karen J Sherman, Claudia M Witt, Andrew J Vickers, Acupuncture Trialists Collaboration

Open access · greenAbstract readMeta-Analysis
In one paragraph

Synthesis in Acupuncture in medicine : journal of the British Medical Acupuncture Society, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed, 2 pooled it
2.0field-weighted citation impact, top 13% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

9 citing papers in PubMed, 2 syntheses or guidelines pooled it, 11 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
  4. Review
  5. Review
  6. Article
  7. Review
  8. Article
  9. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 7 institutions in 4 countries.

Nadine E FosterPrimary Care Centre Versus Arthritis, School of Primary, Community and Social Care, Keele University, Staffordshire, UK.
Emily A VertosickMemorial Sloan Kettering Cancer Center, New York, NY, USA.
George LewithFaculty of Medicine, Primary Care and Population Sciences, University of Southampton, Southampton, UK.
Klaus LindeInstitute of General Practice, Technische Universität München, Munich, Germany.
Hugh MacPhersonDepartment of Health Sciences, University of York, York, UK.
Karen J ShermanKaiser Permanente Washington Health Research Institute, Seattle, WA, USA.
Claudia M WittInstitute for Complementary and Integrative Medicine, University Hospital Zurich, Zurich, Switzerland.
Andrew J VickersMemorial Sloan Kettering Cancer Center, New York, NY, USA.
Acupuncture Trialists Collaboration
Memorial Sloan Kettering Cancer Center · USCharité - Universitätsmedizin Berlin · DEKaiser Permanente Washington Health Research Institute · USKeele University · GBTechnical University of Munich · DEUniversity of Southampton · GBUniversity of York · GB

Funding

X-RAY CRYSTALLOGRAPHYP30CA008748 · NCI · SLOAN-KETTERING INSTITUTE FOR CANCER RES · PI SELWYN M VICKERS · 1985 to 2026
$347.4M
Acupuncture Trialists' Collaboration: meta-analysis of chronic pain trialsR21AT004189 · NCCIH · SLOAN-KETTERING INST CAN RESEARCH · PI VICKERS, ANDREW J · 2008 to 2010
$604k
NCCIH NIH HHS R21 AT004189NCI NIH HHS P30 CA008748
6 · The paper itself

Abstract

backgroundIn a recent individual patient data meta-analysis, acupuncture was found to be superior to sham and non-sham controls in patients with chronic pain. It has been suggested that a subgroup of patients has an exceptional response to acupuncture. We hypothesized the presence of exceptional acupuncture responders would lead to a different distribution of pain scores in acupuncture versus control groups, with the former being skewed to the right.

methodsThis individual patient data meta-analysis included 39 high-quality randomized trials of acupuncture for chronic headache, migraine, osteoarthritis, low back pain, neck pain and shoulder pain published before December 2015 (n = 20,827). In all, 25 involved sham acupuncture controls (n = 7097) and 25 non-acupuncture controls (n = 16,041). We analyzed the distribution of change scores and calculated the difference in the skewness statistic-which assesses asymmetry in the data distribution-between acupuncture and either sham or non-acupuncture control groups. We then entered the difference in skewness along with standard error into a meta-analysis.

findingsControl groups were more right-skewed than acupuncture groups, although this difference was very small. The difference in skew was 0.124 for non-acupuncture-controlled trials (p = 0.047) and 0.141 for sham-controlled trials (p = 0.029). In a pre-specified sensitivity analysis excluding three trials with outlying results known a priori, the difference in skew between acupuncture and sham was no longer statistically significant (p = 0.2).

conclusionWe did not find evidence to support the notion that there are exceptional acupuncture responders. The challenge remains to identify features of chronic pain patients that can be used to distinguish those that have a good response to acupuncture treatment.

Indexed as

Acupuncture TherapyChronic PainHumansLow Back PainNeck PainRandomized Controlled Trials as TopicTreatment Outcomeacupuncturepain research, individual patient data meta-analysis, chronic pain, exceptional responder

Identifiers

PMID32571096
PMCPMC8564764
OpenAlexW3035965586

What Socratic holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.