Pediatric rheumatology

The clinical features and outcome of Kawasaki disease combined with G6PD deficiency

Pediatr Rheumatol Online JPublished Retrospective case-control study

Main finding · Persistent CAL beyond 8 weeksResult — go to the resultOdds ratio 2.21 95% CI 0.76–6.44

Authors' conclusion

G6PD deficiency may not likely be a significantly risk factor for CAL in KD.

Study context

Population
Kawasaki disease patients with and without G6PD deficiency
Participants
54 vs 162
Comparison
Kawasaki disease (KD) with G6PDd vs KD with normal G6PD activity
  • G6PDdn = 54
  • Controln = 162reference
Outcome
Persistent coronary artery lesions (CAL) beyond 8 weeks
Follow-up
Beyond 8 weeks
Methodological detailsmatched 1:3 by age, sex and hospitalization period
  • Matched 1:3 by age, sex and hospitalization period

Main finding

Persistent CAL beyond 8 weeks

Odds ratio

2.21

95% CI 0.76–6.44

By group

G6PDdvs Control
OR 2.21 (95% CI 0.76–6.44)

As reported in the abstract

Observational data: associations, not effects.

Further findings

OutcomeG6PDdControlOR (95% CI)P value
High-risk SANO classification (univariate analysis)Univariate analysis3.51 (1.60–7.72)P = 0.002
Non-SANO high-risk KD1.42 (0.60–3.35)P = 0.420
IVIG-resistant KD8.51%8.70%0.98 (0.31–3.12)
Non-SANO high-risk KD — Similar proportion in both groups
16.67%

IVIG-resistant KD

Prevalence comparable between the two groups

Original publication

The clinical features and outcome of Kawasaki disease combined with G6PD deficiency. Pediatr Rheumatol Online J. Published 12 December 2025. doi:10.1186/s12969-025-01179-z

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