Evidence map›Paper›PMID 30919124›Full record

ArticleSurgery today2019

Development and validation of a nomogram predicting postoperative pneumonia after major abdominal surgery.

Keishi Kawasaki, Mariko Yamamoto, Yusuke Suka, Yohei Kawasaki, Kyoji Ito, Daisuke Koike, Takatoshi Furuya, Motoki Nagai, Yukihiro Nomura, Nobutaka Tanaka and 1 more

Abstract readValidation Study
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In one paragraph

Article in Surgery today, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.0field-weighted citation impact, top 23% 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

6 citing papers in PubMed, 12 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

11 authors at 3 institutions in 1 country.

Keishi KawasakiDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Mariko YamamotoDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Yusuke SukaDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Yohei KawasakiBiostatistics Section, Clinical Research Center, Chiba University Hospital, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8677, Japan.
Kyoji ItoDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Daisuke KoikeDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Takatoshi FuruyaDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Motoki NagaiDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Yukihiro NomuraDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan.
Nobutaka TanakaDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan. nbtanaka@hospital.asahi.chiba.jp.
Yoshikuni KawaguchiDepartment of Surgery, Asahi General Hospital, 1326 I, Asahi, Chiba, 289-2511, Japan. yokawaguchi-tky@umin.ac.jp.
Asahi Hospital · JPChiba University Hospital · JPThe University of Tokyo · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposePostoperative pneumonia (POP) is a common complication that can adversely affect the outcomes after surgery. This study aimed to devise and validate a model for stratifying the probability of POP in patients undergoing abdominal surgery.

methodsWe included 1050 patients who underwent major abdominal surgery between 2012 and 2013. A nomogram was devised by evaluating the predictive factors for POP.

resultsOf the 1050 patients, 56 (5.3%) developed POP. Multivariable logistic regression analysis revealed that the independent predictive factors for POP were age, male sex, history of cerebrovascular disease, Brinkman Index (BI) ≥ 900, and upper midline incision. A nomogram was devised by employing these five significant predictive factors. The prediction model showed a relatively good discrimination performance, with a concordance index of 0.77.

conclusionsA nomogram based on age, male sex, history of cerebrovascular disease, BI ≥ 900, and upper midline incision may be useful for identifying patients with a high probability of developing POP after major abdominal surgery.

Indexed as

NomogramsAbdomenAgedAge FactorsCerebrovascular DisordersFemaleHumansLogistic ModelsMaleMiddle AgedPneumoniaPostoperative ComplicationsPredictive Value of TestsProbabilitySex FactorsMajor abdominal surgeryPostoperative pneumoniaPredictive factorUpper midline incision

Identifiers

PMID30919124
OpenAlexW2925052722

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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.