Sepsis & infection

External validation of the modified sepsis renal angina index for prediction of severe acute kidney injury in children with septic shock

Crit CarePublished Secondary analysis of a prospective, multicentre, observational study

Authors' conclusion

The sRAI affords more accurate and specific prediction than context-free SCr elevation or the original RAI in this population.

Study context

Population
Children with septic shock admitted to the PICU, 1/2019 to 12/2022
Participants
140 / 195 / 253
Comparison
sRAI + vs renal angina index (RAI) + vs D1 SCr > Baseline +
  • sRAI +n = 140
  • RAI +n = 195
  • D1 SCr > Baseline +n = 253
Primary endpoint
Severe AKI (≥ KDIGO Stage 2)
Follow-up
Day 3
Methodological detailsdiagnostic accuracy / prediction, external validation
  • Diagnostic accuracy / prediction
  • External validation

Primary result

As reported in the abstract

D3 severe AKI prediction

sRAI +

AUROC
0.86 (95%CI 0.82-0.90)
Specificity
74%

RAI +

58%

specificity

D1 SCr > Baseline +

36%

specificity

sRAI + vs sRAI-Estimate (95% CI)P value
D3 severe AKI prediction
RR 8.9(5–16)
P < 0.001
Multivariable regression
aOR 4.5(2.0–10.2)
P < 0.001
D3 severe acute kidney injury (AKI) incidence
79 (22%)

Further findings

OutcomeEstimateP value
KRTsRAI + vs sRAI-RR 18 (95% CI 6.6–49)P < 0.001
KRTsRAI + vs sRAI- · multivariable regressionaOR 5.6 (95% CI 1.5–21.5)P = 0.01
MortalitysRAI + vs sRAI-RR 2.5 (95% CI 1.2–5.5)P = 0.013

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

External validation of the modified sepsis renal angina index for prediction of severe acute kidney injury in children with septic shock. Crit Care. Published 28 November 2023. doi:10.1186/s13054-023-04746-6

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