Evidence map›Paper›PMID 42399818›Full record

ArticleBMC infectious diseases2026

Letter to the editor regarding clinical characteristics and factors associated with in-hospital post-surgical mortality in COVID-19 patients at a tertiary care center in Karachi, Pakistan.

Raiyan Rizwan Qayyum

Abstract readLetter
In one paragraph

Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

1 author.

Raiyan Rizwan QayyumZiauddin University, Karachi, Sindh, Pakistan. raiyanrizwan.rr@gmail.com.ORCID http://orcid.org/0009-0001-0647-3648

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A comment on Wagley et al.'s study of post-surgical outcomes in COVID-19 patients in Karachi, highlighting the importance of incorporating COVID-19 severity, timing of surgery, and maternal/fetal outcomes. These considerations can improve perioperative risk assessment and inform resource allocation in low- and middle-income countries.

Indexed as

COVID-19Hospital MortalityFemaleHumansPakistanPandemicsRisk FactorsSARS-CoV-2Tertiary Care CentersCOVID-19Low- and middle- income countriesPerioperative carePost-operative mortality

Identifiers

PMID42399818
PMCPMC13330142

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

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.