Evidence map›Paper›PMID 22363616›Full record

Trial reportPloS one2012

Effect of different doses of aerobic exercise on total white blood cell (WBC) and WBC subfraction number in postmenopausal women: results from DREW.

Neil M Johannsen, Damon L Swift, William D Johnson, Vishwa D Dixit, Conrad P Earnest, Steven N Blair, Timothy S Church

Registry-linked trialOpen access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in PloS one, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00011193 (Dose-response to Exercise in Women Aged 45-75 Years), which is not on this map. Cited by 42 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 3 pooled it
2.5field-weighted citation impact, top 11% 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.

NCT00011193 completednot on this map

Dose-response to Exercise in Women Aged 45-75 Years (DREW)

TypeobservationalSponsorPennington Biomedical Research CenterRan2001 to 2006Enrolled464ConditionsCardiovascular Diseases, Hypertension, Postmenopausal, Overweight or ObeseArmsExercise
3 · Its place in the literature

Who cites it

42 citing papers in PubMed, 3 syntheses or guidelines pooled it, 90 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Trial
  5. Trial
  6. Trial
  7. Changes in leukocytes and CRP in different treatments of major depression.Journal of neural transmission (Vienna, Austria : 1996) · 2026
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  17. Extrinsic and intrinsic modulators of inflammation-resolution signaling in heart failure.American journal of physiology. Heart and circulatory physiology · 2023
    Review
  18. Article
  19. Capillary Blood Recovery Variables in Young Swimmers: An Observational Case Study.International journal of environmental research and public health · 2022
    Observational
  20. 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

7 authors at 2 institutions in 1 country.

Neil M JohannsenDepartment of Preventive Medicine, Pennington Biomedical Research Center, Baton Rouge, Louisiana, United States of America. neil.johannsen@pbrc.edu
Damon L Swift
William D Johnson
Vishwa D Dixit
Conrad P Earnest
Steven N Blair
Timothy S Church
Pennington Biomedical Research Center · USUniversity of South Carolina · US

Funding

Research BaseP30DK072476 · NIDDK · LSU PENNINGTON BIOMEDICAL RESEARCH CTR · PI Sujoy Ghosh · 2005 to 2026
$26.5M
DOSE-RESPONSE TO EXERCISE IN WOMEN AGED 45-75 YEARSR01HL066262 · NHLBI · COOPER INSTITUTE · PI BLAIR, STEVEN N. · 2001 to 2005
$3.6M
NHLBI NIH HHS HL066262NHLBI NIH HHS R01 HL066262NIDDK NIH HHS P30 DK072476
6 · The paper itself

Abstract

backgroundElevated total white blood cell (WBC) count is associated with an increased risk of coronary heart disease and death. Aerobic exercise is associated with lower total WBC, neutrophil, and monocyte counts. However, no studies have evaluated the effect of the amount of aerobic exercise (dose) on total WBC and WBC subfraction counts. PURPOSE: To examine the effects of 3 different doses of aerobic exercise on changes in total WBC and WBC subfraction counts and independent effects of changes in fitness, adiposity, markers of inflammation (IL-6, TNF-α, C-reactive protein), fasting glucose metabolism, and adiponectin.

methodsData from 390 sedentary, overweight/obese postmenopausal women from the DREW study were used in these analyses. Women were randomized to a non-exercise control group or one of 3 exercise groups: energy expenditure of 4, 8, or 12 kcal kg(-1)⋅week(-1) (KKW) for 6 months at an intensity of 50% VO2peak.

resultsA dose-dependent decrease in total WBC counts (trend P = 0.002) was observed with a significant decrease in the 12KKW group (-163.1±140.0 cells/µL; mean±95%CI) compared with the control (138.6±144.7 cells/µL). A similar response was seen in the neutrophil subfraction (trend P = 0.001) with a significant decrease in the 12KKW group (-152.6±115.1 cells/µL) compared with both the control and 4KKW groups (96.4±119.0 and 21.9±95.3 cells/µL, respectively) and in the 8KKW group (-102.4±125.0 cells/µL) compared with the control. When divided into high/low baseline WBC categories (median split), a dose-dependent decrease in both total WBCs (P = 0.003) and neutrophils (P<0.001) was observed in women with high baseline WBC counts. The effects of exercise dose on total WBC and neutrophil counts persisted after accounting for significant independent effects of change in waist circumference and IL-6.

conclusionAerobic exercise training reduces total WBC and neutrophil counts, in a dose-dependent manner, in overweight/obese postmenopausal women and is especially beneficial for those with systemic low grade inflammation. CLINICAL TRIALS IDENTIFIER: NCT00011193.

Indexed as

AgedAnthropometryExerciseFastingFemaleGlucoseHumansInflammationLeukocyte CountMiddle AgedNeutrophilsPhysical FitnessPostmenopauseStatistics, NonparametricSubcellular FractionsGlucose

Identifiers

PMID22363616
PMCPMC3281960
OpenAlexW2090262986

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

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.