Cross-sectional studyindependent cross-checkabstract only checked I-LEG-07 standard review

G6PD deficiency in Egyptian oases

Glucose-6-phosphate dehydrogenase deficiency and sulfadimidin acetylation phenotypes in Egyptian oases.

Overview

Hussein L et al.. Biochem Genet 1992 · PMID 1590743 · DOI 10.1007/BF02399702

5.9% of 1,315 men screened in two oases had G6PD deficiency.

Does the study support the specific claim? Partly · Methodological quality: low

Original publication

Plain-language summary

Study explained simply
What did the researchers want to find out?

Screen oases

How was the study done?

Population screening

How many people, animals or samples were studied?

1,315 males

What was actually found?

5.9%

How large was the observed effect?

Not applicable

What do the results mean in everyday life?

Deficiency is common in parts of Egypt.

What are the study's limitations?

Regional, old

What does it say about Elawady's specific claim?

Context

Do the results apply to Germany and Europe?

Moderate

What can explicitly not be concluded from this study?

Cannot represent all Egypt.

Scientific in-depth review

1. Full reference

Authors
Hussein L et al.
Journal
Biochem Genet
Year
1992
Identifier
PMID 1590743 DOI 10.1007/BF02399702
Verification
verified – PubMed efetch 2026-10-25
Retracted
no
Corrections
none
Extent checked
abstract only
Conflicts of interest and funding

not stated in abstract

2. Research question

G6PD deficiency frequency in Egyptian oases.

3. Study design and population

Study design
Cross-sectional study – Population screening
Population

Males from two oases

Country

Egypt

Period

Not stated

Sample size

1,315

Inclusion and exclusion criteria

Males

4. Methods and endpoints

Exposure / intervention

Not applicable

Comparator

Not applicable

Endpoints

G6PD deficiency; acetylation phenotype

Statistical methods

Descriptive

5. Actual results

Results

G6PD deficiency incidence 5.9%; 73% rapid acetylators.

Absolute risks

not reported

Authors' conclusion

Correlation between high G6PD deficiency and slow acetylation frequency.

6. Strengths

  • Population sample

7. Weaknesses

  • Oases only; old

8. Risk of bias

Orienting tool
none applicable
Type of assessment
simplified assessment (abstract only)
Full formal assessment
no
Overall risk of bias
some concerns
Rationale

Regional.

9. Assessment of the statistical interpretation

Descriptive.

10. Relevance to the specific claim

Egyptian prevalence context (C-LEG-03).

11. Independent contrary findings

None.

12. Transferability to Germany and Europe

Egypt-specific (oases).

13. Overall methodological judgement

Indicative.

Multidimensional assessment
Multidimensional assessment
Authenticity of the sourceverified
Methodological qualitylow
Risk of biassome concerns
Precision of resultsmoderate
Directnessindirect
Reproducibilitypartly replicated
Consistency with the overall evidenceunknown
Regional transferabilitymoderate
Adequacy of the interpretation (by the archive)not applicable

14. Open questions

National prevalence.

15. Linked fact checks