Predicted probability of being stunted at 3 years of age | Sensitivity of tool | Specificity of tool | % of children who are actually stunted at 3 years of age, of those predicted to be at high risk of stunting | |||
Development data set | Validation data set | Development data set | Validation data set | Development data set (n=839) | Validation data set (338) | |
High-risk cut-off set at ≥20% | 82.0% (114/139) | 56.4% (31/55) | 75.7% (530/700) | 86.2% (244/283) | 40.1 | 44.3 |
High-risk cut-off set at ≥15% | 88.5% (123/139) | 63.6% (35/55) | 67.3% (471/700) | 82.0% (232/283) | 34.9 | 40.7 |
High-risk cut-off set at ≥10% | 94.2% (131/139) | 83.6% (46/55) | 54.9% (384/700) | 74.2% (210/283) | 29.3 | 38.7 |