Evidence mapPaperPMID 25644682Full record

SynthesisJournal of clinical hypertension (Greenwich, Conn.)2015

Prognostic significance of visit-to-visit systolic blood pressure variability: a meta-analysis of 77,299 patients.

Chenhui Tai, Yuxi Sun, Neng Dai, Dachun Xu, Wei Chen, Jiguang Wang, Athanase Protogerou, Thomas T van Sloten, Jacques Blacher, Michel E Safar and 2 more

Abstract readComparative StudyMeta-Analysis
In one paragraph

Synthesis in Journal of clinical hypertension (Greenwich, Conn.), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed, 5 pooled it
field-weighted citation impact
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

31 citing papers in PubMed, 5 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors.

Chenhui TaiDepartment of Cardiology, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.
Yuxi Sun
Neng Dai
Dachun Xu
Wei Chen
Jiguang Wang
Athanase Protogerou
Thomas T van Sloten
Jacques Blacher
Michel E Safar
Yi Zhang
Yawei Xu

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In recent clinical investigations, visit-to-visit systolic blood pressure (SBP) variability was proven as a predictor of cardiovascular events and all-cause mortality. However, inconsistent results exist in this association. A meta-analysis of 13 prospective studies was conducted to evaluate the prognostic value of visit-to-visit SBP variability by different parameters in 77,299 patients with a mean follow-up of 6.3 years. The pooled age- and mean SBP-adjusted hazard ratios (HRs) for all-cause mortality were 1.03 (95% confidence interval [CI], 1.02-1.04; P<.001) per 1-mm Hg increase in SBP standard deviation (SD) and 1.04 (1.02-1.06, P<.001) per 1% in SBP coefficient of variation, and the corresponding values of cardiovascular mortality were 1.10 (1.02-1.17, P<.001) and 1.01 (0.99-1.03, P=.32), respectively. Moreover, a 1-mm Hg increase in SD was significantly associated with stroke, with an HR of 1.02 (1.01-1.03, P<.001). Visit-to-visit SBP variability, independent of age and mean SBP, is a predictor of cardiovascular and all-cause mortality and stroke.

Indexed as

Office VisitsAdultAgedAged, 80 and overBlood PressureCardiovascular DiseasesFemaleFollow-Up StudiesHumansHypertensionLongitudinal StudiesMaleMiddle AgedPredictive Value of TestsPrognosisProspective Studies

Identifiers

PMID25644682
PMCPMC8031983

What Socratic holds

Textmetadata
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.