Evidence map›Paper›PMID 25999623›Full record

ArticleIranian journal of medical sciences2015

Survival analysis and its associated factors of Beta thalassemia major in hamadan province.

Reza Zamani, Salman Khazaei, Shahab Rezaeian

Open access · greenAbstract read
In one paragraph

Article in Iranian journal of medical sciences, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

12 citing papers in PubMed, 27 citations in OpenAlex.

  1. Article
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  3. Changing patterns in the epidemiology of β-thalassemia.European journal of haematology · 2020
    Review
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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

3 authors at 3 institutions in 2 countries.

Reza ZamaniCenter for Disease Control and Prevention, Deputy of Health Services, Hamadan University of Medical Sciences, Hamadan, Iran;
Salman KhazaeiDepartment of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Science, Tehran, Iran;
Shahab RezaeianDepartment of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
Centers for Disease Control and Prevention · USShiraz University of Medical Sciences · IRUniversity of Tehran · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThere currently is a lack of knowledge about the long-term survival of patients with beta thalassemia (BT), particularly in regions with low incidence of the disease. The aim of the present study was to determine the survival rate of the patients with BT major and the factors associated with the survival time.

methodsThis retrospective cohort study was performed in Hamadan province, located in the west of Iran. The study included patients that referred to the provincial hospitals during 16 year period from 1997 to 2013. The follow up of each subject was calculated from the date of birth to the date of death. Demographic and clinical data were extracted from patients' medical records using a checklist. Statistical analysis included the Kaplan-Meier method to analyze survivals, log-rank to compare curves between groups, and Cox regression for multivariate prognostic analysis.

resultsA total of 133 patients with BT major were enrolled, 54.9% of whom were male and 66.2% were urban. The 10-, 20- and 30-year survival rate for all patients were 98.3%, 88.4% and 80.5%, respectively. Based on hazard ratio (HR), we found that accompanied diseases (P=0.01), blood type (P=0.03) and residency status (P=0.01) were significant predictors for the survival time of patients.

conclusionThe survival rate of BT patients has improved. Future researches such as prospective designs are required for the estimation of survival rate and to find other prognostic factors, which have reliable sources of data.

Indexed as

IranKaplan-Meier estimateSurvivalThalassemia

Identifiers

PMID25999623
PMCPMC4430885
OpenAlexW1589815237

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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.