Table 3.
Nutrition Risk Screen Performance Comparison Between the NRS 2002 and ThedaCare NRS, Confirmed Using the Nutrition Assessment
| Malnutrition Characteristics, n | ||||||
|---|---|---|---|---|---|---|
| NRS 2002 | ThedaCare NRS | |||||
| Low Risk, n | Moderate or High Risk, n | Total, n | Low Risk, n | Moderate or High Risk, n | Total, n | |
| RDNA | ||||||
| Low risk, n | 250 | 15 | 265 | 196 | 69 | 265 |
| Moderate or high risk; moderate or severe malnutrition, n | 120 | 209 | 329 | 4 | 325 | 329 |
| Total, n | 370 | 224 | 594 | 200 | 394 | 594 |
| Statistical Measures of Nutrition Risk Screen Performance | ||||
|---|---|---|---|---|
| NRS 2002 | ThedaCare NRS | |||
| % | 95% CI | % | 95% CI | |
| Sensitivity | 63.5 | 58.3–68.7 | 98.8 | 97.6–99.9 |
| Specificity | 94.3 | 91.5–97.1 | 74.0 | 68.7–79.2 |
| PPV | 93.3 | 90.0–96.6 | 82.5 | 78.7–86.2 |
| NPV | 67.6 | 62.8–72.3 | 98.0 | 96.1–99.9 |
| κ coefficient | 0.56 (z = 14.5, P < .001) | 0.75 (z = 18.6, P < .001) | ||
NPV, negative predictive value; NRS 2002, Nutrition Risk Screen 2002; PPV, positive predictive value; RDNA, administration of the nutrition assessment, which included the Nutrition Focused Physical Exam, by the registered dietitian nutritionist; ThedaCare NRS, ThedaCare Nutrition Risk Screen.