Paediatric anaesthesia & critical care
External Validation of the Risk Assessment of Morbidity in Pediatric Surgery Score
Authors' conclusion
The RAMPS score performed well in this external validation with overall less patient complexity and less morbidity than in the original cohort included for development and internal validation. The score moderately overestimated risk in the most complex patients, which does not diminish its utility in guiding resource allocation to manage or prevent perioperative adverse events. In summary, the RAMPs score is a simple, highly discriminant, well-calibrated, and externally validated tool clinicians and health systems can use to predict morbidity among pediatric surgery patients.
Study context
- Population
- Patients undergoing noncardiac, nontrauma, and nontransplant pediatric surgeries at an external tertiary care children's hospital in 2019patients included
- Participants
- 13,718 patients
- Comparison
- RAMPS score predicted risk vs observed composite morbidity
- Outcome
- Composite morbidity:
- Transfer to intensive care unit (ICU)
- Cardiac arrest
- Unplanned endotracheal intubation
- Unplanned initiation of PPV in the 72 hours following surgery
- Follow-up
- 72 hours following surgery
Performance
As reported in the abstract
Patients with the composite morbidity outcome
409
2.98%
Postoperative PPV (most common morbidity)
361
2.63%
Further findings
Association of each RAMPS score component with the outcome
- Each component of the RAMPS score was significantly associated with the outcome
Discrimination of the RAMPS score
- AUC
- 0.829 (95% CI, 0.809-0.849)
- Very good discrimination
Calibration of the RAMPS score
- Brier score
- 0.03
- Good calibration between observed and predicted probabilities
Cohort characteristics
- Critically ill
- 1.5% (n = 205)
- At least three chronic conditions
- 14.1% (n = 1934)
- Procedure in intrinsic surgical risk (ISR) quartiles 3 or 4
- 19.5% (n = 2668)
Original publication
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