Table 3.
Statistical evaluation of indicators for malnutrition in cancer patients
| SSM | TST | MAMC | BMI | 5–10% weight loss | Alb | Palb | TLC | |
|---|---|---|---|---|---|---|---|---|
| Sensitivity | 0.83 | 0.67 | 0 | 0.17 | 0.17 | 1 | 0 | 1 |
| Specificity | 0.96 | 0.88 | 1 | 1 | 0.96 | 0.37 | 1 | 0.25 |
| Positive predictive value | 0.83 | 0.57 | * | 1 | 0.50 | 0.29 | * | 0.25 |
| Negative predictive value | 0.96 | 0.92 | 0.80 | 0.83 | 0.82 | 1 | 0.8 | 1 |
| False positive | 1 | 3 | 0 | 0 | 1 | 15 | 0 | 18 |
| False negative | 1 | 2 | 6 | 5 | 5 | 0 | 6 | 0 |
| Misclassification rate | 6.7 | 16.7 | 20.0 | 16.7 | 20.0 | 50.0 | 20.0 | 60.0 |
SSM = screening sheet; TST = triceps skinfold thickness; MAMC = mid-arm muscle circumference; BMI = body mass index; 5–10% unintentional weight loss in last month; alb = serum albumin; palb = serum prealbumin; TLC = total lymphocyte count.
*No patient below reference value for this parameter.