Evidence map›Paper›PMID 26474972›Full record

Trial reportBMC complementary and alternative medicine2015

The association between objective tongue color and endoscopic findings: results from the Kyushu and Okinawa population study (KOPS).

Mosaburo Kainuma, Norihiro Furusyo, Yoshihisa Urita, Masaharu Nagata, Takeshi Ihara, Takeshi Oji, Toshiya Nakaguchi, Takao Namiki, Jun Hayashi

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in BMC complementary and alternative medicine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 2 pooled it
1.5field-weighted citation impact, top 17% 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

19 citing papers in PubMed, 2 syntheses or guidelines pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  9. Correlation between helicobacter pylori infection and manifestation of tongue.Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan · 2023
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  17. Observational
  18. Tongue color clustering and visual application based on 2D information.International journal of computer assisted radiology and surgery · 2020
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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 5 institutions in 1 country.

Mosaburo KainumaCommunity Medicine Education Unit, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. kainuma@gim.med.kyushu-u.ac.jp.
Norihiro FurusyoDepartment of General Internal Medicine, Kyushu University Hospital, 3-1-1Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. furusyo@gim.med.kyushu-u.ac.jp.
Yoshihisa UritaDepartment of General Medicine and Emergency Care, Toho University School of Medicine, Omori Hospital, 6-11-1Omori-nishi, Ota-ku, Tokyo, 143-8541, Japan. foo@med.toho-u.ac.jp.
Masaharu NagataCommunity Medicine Education Unit, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. masanaga@envmed.med.kyushu-u.ac.jp.
Takeshi IharaDepartment of General Internal Medicine, Kyushu University Hospital, 3-1-1Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. tiha0629@gim.med.kyushu-u.ac.jp.
Takeshi OjiDepartment of Japanese Oriental (Kampo) Medicine, Graduate School of Medicine, Chiba University, 1-8-1Inohana, Chuo-ku, Chiba, 260-8670, Japan. son-of-king@hospital.chiba-u.jp.
Toshiya NakaguchiCenter for Frontier Medical Engineering, Chiba University, 1-33Yayoicho, Inage-ku, Chiba, 263-8522, Japan. nakaguchi@faculty.chiba-u.jp.
Takao NamikiDepartment of Japanese Oriental (Kampo) Medicine, Graduate School of Medicine, Chiba University, 1-8-1Inohana, Chuo-ku, Chiba, 260-8670, Japan. tnamiki@faculty.chiba-u.jp.
Jun HayashiKyushu General Medicine Center, Haradoi Hospital, 6-40-8Aoba, Higashi-ku, Fukuoka, 813-8588, Japan. hayashij@gim.med.kyushu-u.ac.jp.
Chiba University · JPKyushu University · JPKyushu University Hospital · JPHaradoi Hospital · JPToho University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe relation between tongue color and gastroesophageal disease is unclear. This study was done to investigate the associations between tongue color (TC), endoscopic findings, Helicobacter.pylori infection status, and serological atrophic gastritis (SAG).

methodsThe participants were 896 residents of Ishigaki Island, Okinawa, aged 28-86 years. The tongue was photographed, esophagogastroduodenoscopy was done, and serum antibody to H.pylori was measured. SAG was defined as a serum Pepsinogen (PG)Ilevel ≤70 ng/ml and a PGI/IIratio ≤3.0. TC was measured by the device-independent international commission on Illumination 1976 L*a*b* color space standards at four points: (1) edge, (2) posterior, (3) middle, and (4) apex. We also calculated the ratio of the tongue edge to the three other measured points to examine the association between the coating of the tongue and the endoscopic and laboratory findings.

resultsParticipants were excluded who had two or more endoscopic findings (n = 315) or who had SAG without seropositivity to H.pylori (n = 33). The remaining 548 participants were divided into three groups: SAG and seropositive to H.pylori (n = 67), seropositive to H.pylori alone (n = 56), and without SAG and seronegative for H.pylori (n = 425). We divided 425 residents into a single endoscopic finding positive group (n = 207) and a negative group, which served as a control (n = 218). The most frequent single endoscopic finding was esophageal hernia (n = 110), followed by erosive esophagitis (n = 35) and erosive gastritis (EG) (n = 45). EH was significantly associated with TC (2b*/1b*) (P < 0.05). EG was significantly associated with TC (3a*, 3b*) (P < 0.05). Seropositivity to H.pylori was significantly associated with TC (3 L*, 3 L*/1 L*) (P < 0.05, <0.01), and seropositivity to both H.pylori and SAG was significantly associated with TC (3 L*/1 L*) (P < 0.05). Multivariate analysis extracted TC (3a*, 3b*) as an independent factor associated with a differential diagnosis of EG (Odds ratio (OR) 2.66 P = 0.008, OR 2.17 P = 0.045).

conclusionsThe tongue body color of the middle area reflects acute change of gastric mucosa, such as erosive gastritis. Tongue diagnosis would be a useful, non-invasive screening tool for EG.

Indexed as

Medicine, KampoAdultAgedAged, 80 and overColorDiagnosis, DifferentialEndoscopy, Digestive SystemFemaleGastritis, AtrophicHelicobacter InfectionsHelicobacter pyloriHumansJapanMaleMiddle AgedTongue

Identifiers

PMID26474972
PMCPMC4609076
OpenAlexW2161003324

What OpenQuestion holds

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Registered trials

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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.