Evidence map›Paper›PMID 30882631›Full record

ArticleMedicine2019

Total hospital cost, length of stay, and complications between simultaneous and staged bilateral total hip arthroplasty: A nationwide retrospective cohort study in China.

Zhen Tan, Guorui Cao, Guanglin Wang, Zongke Zhou, Fuxing Pei

Abstract readComparative Study
In one paragraph

Article in Medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 2 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

13 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Simultaneous versus staged bilateral total hip arthroplasty: a meta-analysis.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2026
    Pooled it
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  13. [Analysis of hemostatic effect and safety of tranexamic acid in primary simultaneous bilateral total hip arthroplasty].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2020
    Article
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

5 authors.

Zhen TanDepartment of Orthopaedic Surgery, West China Hospital, Sichuan University, ChengDu, SiChuan Province, People's Republic of China.
Guorui Cao
Guanglin Wang
Zongke Zhou
Fuxing Pei

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This retrospective cohort study aimed to compare the total hospital cost, length of stay (LOS), and incidence of complications between simultaneous bilateral total hip arthroplasty (simBTHA) and staged bilateral total hip arthroplasty (staBTHA).We identified 256 patients who underwent staBTHA and matched them to a control group of 256 patients who underwent simBTHA from 2013 to 2016. Patients' demographics, total hospital costs, complication rates, and LOS were recorded and compared.Patients undergoing simBTHA were younger (52.0 ± 12.0 vs 54.9 ± 13.2 years, P = .01), were more likely to be men (55.9% vs 46.9%, P = .04). There was no significant difference in total hospital costs or complications within 90 days for simBTHA compared with staBTHA. The transfusion rate was higher (49.3% vs 10.4%, P < .01), but the LOS was shorter in the simBTHA group (8.7 ± 5.3 vs 12.1 ± 5.6 days, P < .01).There were no differences in total hospital costs or complications within 90 days if patients were carefully selected for simBTHA. Considering the difference in baseline characteristics and the low level of evidence, further randomized controlled studies are necessary.

Indexed as

AdultAgedArthroplasty, Replacement, HipBlood TransfusionChinaFemaleHospital CostsHumansLength of StayMaleMiddle AgedPostoperative ComplicationsRetrospective StudiesTime Factors

Identifiers

PMID30882631
PMCPMC6426474

What OpenQuestion holds

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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.