Table 2 Calculated positive predictive value (PPV), negative predictive value (NPV), sensitivity and specificity per cut-off value in screening of (risk at) malnutrition (green ROC-curve in Fig. 1) or malnutrition (red ROC-curve in Fig. 1)
(Risk at) malnutrition | Malnutrition | |||||||
|---|---|---|---|---|---|---|---|---|
Weight loss | PPV | NPV | Sensitivity | Specificity | PPV | NPV | Sensitivity | Specificity |
≥ 5% | 78,57% | 60,68% | 19,30% | 95,95% | 33,33% | 98,35% | 71,43% | 92,25% |
≥ 4% | 85,71% | 63,96% | 29,80% | 95,95% | 23,81% | 98,96% | 71,43% | 87,60% |
≥ 3% | 80,77% | 64,55% | 35,00% | 93,42% | 23,08% | 99,09% | 85,71% | 84,50% |
≥ 2% | 72,73% | 65,05% | 40,00% | 88,16% | 18,18% | 99,03% | 85,71% | 79,07% |
≥ 1,5% | 64,10% | 63,92% | 42,11% | 81,08% | 15,38% | 98,97% | 85,71% | 74,42% |
≥ 1% | 56,86% | 63,53% | 48,33% | 71,05% | 11,76% | 98,82% | 85,71% | 65,12% |
≥ 0% | 51,43% | 63,64% | 60,00% | 55,26% | 8,57% | 98,48% | 85,71% | 50,39% |