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External validation: model performance statistics in infants aged 1–12 months and ≤ 12 kg.
| Measure | Overall performance |
|---|---|
| Adjusted R2 (95% CI) (%) | 85.4% (81.1 to 89.8%) |
| Slope (95% CI) | 1.044 (0.971 to 1.117) |
| Intercept (95% CI) kg | −0.076 (−0.234 to 0.083) |
