Statistical evaluation of nutrition screening tools compared with SGNA
| Existing generic tool | SCAN (cut-off ≥3) | Modified generic tool | Modified SCAN (cut-off ≥3) | Modified SCAN (cut-off ≥2) | |
| Sensitivity (%) | 69.2 | 92.3 | 84.5 | 69.2 | 92.3 |
| Specificity (%) | 94.4 | 66.7 | 61.1 | 66.7 | 61.1 |
| Positive predictive value (%) | 90 | 66.7 | 61.1 | 60 | 63.2 |
| Negative predictive value (%) | 81.0 | 92.3 | 84.6 | 75 | 91.7 |
SCAN, nutrition screening tool for childhood cancer; SGNA, Subjective Global Nutrition Assessment.