Evidence map›Paper›PMID 21497139›Full record

ArticleThe journal of pain2011

Pain characteristic differences between subacute and chronic back pain.

Mona Lisa Chanda, Matthew D Alvin, Thomas J Schnitzer, A Vania Apkarian

Open access · greenAbstract read
In one paragraph

Article in The journal of pain, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
3.3field-weighted citation impact, top 9% 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

15 citing papers in PubMed, 46 citations in OpenAlex.

  1. Trial
  2. Article
  3. The burden of acute pain in the U.S. in the wake of the opioid crisis.Frontiers in pain research (Lausanne, Switzerland) · 2025
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
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  10. Observational
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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

4 authors at 2 institutions in 1 country.

Mona Lisa ChandaDepartment of Physiology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, USA.
Matthew D Alvin
Thomas J Schnitzer
A Vania Apkarian
Northwestern University · USShirley Ryan AbilityLab · US

Funding

CORTICAL PATHOPHYSIOLOGY OF PAINR01NS035115 · NINDS · UPSTATE MEDICAL UNIVERSITY · PI APKARIAN, APKAR VANIA · 1996 to 2013
$5.6M
NINDS NIH HHS NS35115NINDS NIH HHS R01 NS035115
6 · The paper itself

Abstract

unlabelledBack pain is commonly classified based on duration. There is currently limited information regarding differences in the clinical features of back pain between these duration-based groupings. Here, we compared the pain characteristics of patients with subacute (SBP; pain 6-16 weeks, n = 40) and chronic back pain (CBP; pain ≥1 year, n = 37) recruited from the general population. CBP patients reported significantly higher pain intensity on the Visual Analogue Scale (VAS) compared to SBP patients. Based on this finding, we investigated group differences and their dependence on VAS for the Beck Depression Inventory (BDI), sensory and affective dimensions of the McGill Pain Questionnaire (MPQ-S and MPQ-A), Neuropathic Pain Scale (NPS), and the variability of spontaneous pain. Correction for VAS abolished significant group differences on the MPQ-S, MPQ-A and NPS. Only a significant difference in the variability of spontaneous pain was independent of VAS. Finally, whereas SBP patients displayed a higher incidence of unilateral pain radiating down the legs/buttocks, there was a shift towards more bilateral pain in CBP patients. In summary, SBP and CBP groups differ on 3 independent parameters: VAS ratings, pain location, and temporal dynamics of spontaneous pain. PERSPECTIVE: The present study reports differences in the characteristics of back pain between duration-based groupings in the general population. The main outcome of the study is the demonstration that a small number of descriptors are required to characterize the difference between SBP and CBP.

Indexed as

AdultAgedBack PainChronic DiseaseDepressionFemaleFunctional LateralityHumansMaleMiddle AgedPain MeasurementSelf ReportSurveys and QuestionnairesYoung Adult

Identifiers

PMID21497139
PMCPMC3130842
OpenAlexW2048708960

What OpenQuestion 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 OpenQuestion graph.