Evidence map›Paper›PMID 30719848›Full record

ArticleCancer science2019

Female reproductive factors and risk of lymphoid neoplasm: The Japan Public Health Center-based Prospective Study.

Shiori Tanaka, Norie Sawada, Taiki Yamaji, Taichi Shimazu, Atsushi Goto, Motoki Iwasaki, Manami Inoue, Shoichiro Tsugane, JPHC Study Group

Open access · goldAbstract read
In one paragraph

Article in Cancer science, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
0.8field-weighted citation impact, top 29% 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

5 citing papers in PubMed, 8 citations in OpenAlex.

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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

9 authors at 1 institution in 2 countries.

Shiori TanakaEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
Norie SawadaEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.ORCID https://orcid.org/0000-0002-9936-1476
Taiki YamajiEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
Taichi ShimazuEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
Atsushi GotoEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
Motoki IwasakiEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
Manami InoueEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.ORCID https://orcid.org/0000-0003-1276-2398
Shoichiro TsuganeEpidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
JPHC Study Group
Prevention Group · US

Funding

AMED-WISE, the Project for Whole Implementation to Support and Ensure The Female Life, Japan Agency for Medical Research and Development, AMEDGrant-in-Aid for Cancer Research and Development from Ministry of Health, Labour and Welfare of JapanNational Cancer Center Research and Development Fund
6 · The paper itself

Abstract

Although a possible role of reproductive factors in lymphomagenesis has been hypothesized, results of epidemiological studies have been inconsistent. Here, we investigated the association between reproductive factors and the risk of lymphoid neoplasm and its subgroups. We used data from a large-scale, population-based prospective study in a Japanese cohort with 42 691 eligible women aged 40-69 years from 1990 to 1994. During a mean follow up of 18.7 years, we identified 176 cases of lymphoid neoplasm and 90 of non-Hodgkin lymphoma (NHL). A multivariable-adjusted Cox proportional hazards regression model was used to estimate hazard ratios (HR) and 95% confidence intervals (95% CI) for the risk of lymphoid neoplasms and its subgroups according to self-reported reproductive factors. Parous women had an increased risk of lymphoid neoplasm compared with nulliparous women (HR = 2.51, 95% CI, 1.03-6.13). An increased risk of lymphoid neoplasms was found in women with later onset of menarche (≤13 years old; reference: 14-15; HR = 1.75, 95% CI = 1.10-2.79: ≥16; HR = 1.93, 95% CI = 1.17-3.19: P-trend: 0.01) and a shorter menstrual cycle (28-29 days; reference: ≤27; HR = 1.60, 95% CI = 1.05-2.43, P-trend = 0.81). No association was observed between lymphoid neoplasms and other reproductive factors, including age at first birth, breastfeeding, type of menopause, or exogenous hormone use. Our study suggests that ever parity, late age at menarche and a short menstrual cycle length may be associated with the development of lymphoid neoplasms. The inconsistency seen in epidemiological research to date warrants further investigation.

Indexed as

Disease SusceptibilityReproductive HistoryAdultAgedAge FactorsFemaleFollow-Up StudiesHumansJapanLeukemia, LymphoidLymphomaMiddle AgedProspective StudiesPublic Health SurveillanceRisk AssessmentRisk FactorsepidemiologyJapanlymphoid neoplasmsprospective cohortreproductive factors

Identifiers

PMID30719848
PMCPMC6447856
OpenAlexW2913704876

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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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.