TABLE 3.
Sensitivity, specificity, and misclassification rates of different malnutrition tools in identifying at least moderate malnutrition in patients with CHF as defined by the combined index (the assumed gold standard)1
| Malnutrition screening | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Simple | Multidimensional | Single tests | |||||||
| HF patients | CONUT | GNRI | PNI | MUST | MNA-SF | SGA | Lymphocyte <1.2 × 109/L | Albumin <30 g/L | Cholesterol <3.62 mmol/L |
| Sensitivity, % | 80 | 57 | 73 | 56 | 69 | 56 | 56 | 38 | 60 |
| Specificity, % | 94 | 95 | 96 | 98 | 99 | 99 | 84 | 98 | 68 |
| PPV, % | 29 | 28 | 38 | 47 | 73 | 75 | 7 | 42 | 6 |
| NPV, % | 99 | 99 | 99 | 98 | 99 | 98 | 99 | 98 | 98 |
| False positive, % | 6 | 5 | 4 | 2 | 1 | 1 | 15 | 2 | 31 |
| False negative, % | 1 | 1 | 1 | 2 | 1 | 2 | 1 | 2 | 1 |
| Misclassification rate, % | 7 | 6 | 5 | 4 | 2 | 3 | 16 | 4 | 32 |
1
CHF, chronic heart failure; CONUT, COntrolling NUTritional Status Index; GNRI, Geriatric Nutritional Risk Index; MNA-SF, Mini Nutritional Assessment–Short Form; MUST, Malnutrition Universal Screening Tool; NPV, negative predictive value; PNI, Prognostic Nutritional Index; PPV, positive predictive value; SGA, Subjective Global Assessment.