26 December 2024 : Clinical Research
Predictive Power of Anthropometric Measures and Indices in Assessing Nutrition-Related Risk Using the Geriatric Nutritional Risk Index in Elderly Patients: A Cross-Sectional Study
Justyna Nowak
ABCDEFG 1*, Marzena Jabczyk E 2, Michał Skrzypek C 3, Katarzyna Brukało F 4, Bartosz Hudzik C 5,6, Barbara Zubelewicz-Szkodzinska E 2,7
DOI: 10.12659/MSM.946316
Med Sci Monit 2024; 30:e946316
Table 6 Receiver operating characteristic (ROC) curves were used to identify the threshold values for detecting nutrition-related risk based on Geriatric Nutritional Risk Index (GNRI) across various anthropometric measures and indices.
| Parameters | Parameters cut-off | AUC (95% CI) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | P |
|---|---|---|---|---|---|---|---|
| Body mass index | ≤25.0 | 0.93 (0.89–0.97) | 0.89 | 0.88 | 0.72 | 0.96 | <0.001 |
| Body fat (kg) | ≤18.4 | 0.89 (0.85–0.94) | 0.85 | 0.83 | 0.64 | 0.94 | <0.001 |
| Abdominal volume index | ≤18.2421 | 0.86 (0.80–0.91) | 0.81 | 0.78 | 0.56 | 0.92 | <0.001 |
| Hip circumference (cm) | ≤99 | 0.85 (0.79–0.91) | 0.81 | 0.79 | 0.58 | 0.92 | <0.001 |
| Waist circumference (cm) | ≤95.5 | 0.85 (0.80–0.91) | 0.81 | 0.77 | 0.55 | 0.92 | <0.001 |
| Mid-arm circumference (cm) | ≤25.5 | 0.84 (0.78–0.91) | 0.68 | 0.87 | 0.66 | 0.88 | <0.001 |
| Body fat (%) | ≤33.6 | 0.80 (0.73–0.86) | 0.87 | 0.64 | 0.46 | 0.93 | <0.001 |
| Visceral fat rating | ≤10 | 0.80 (0.72–0.87) | 0.66 | 00.81 | 0.55 | 0.87 | <0.001 |
| Calf circumference (cm) | ≤34.5 | 0.80 (0.73–0.88) | 0.87 | 0.61 | 0.44 | 0.93 | <0.001 |
| Waist-height ratio | ≤0.5828 | 0.80 (0.74–0.87) | 0.60 | 0.84 | 0.58 | 0.85 | <0.001 |
| Body roundness index | ≤5.0448 | 0.80 (0.74–0.87) | 0.62 | 0.84 | 0.58 | 0.86 | <0.001 |
| Muscle mass [kg] | ≤36.9 | 0.73 (0.64–0.82) | 0.54 | 0.84 | 0.55 | 0.84 | <0.001 |
| Free fat mass [kg] | ≤38.9 | 0.73 (0.64–0.82) | 0.54 | 0.84 | 0.55 | 0.84 | <0.001 |
| Body adiposity index [%] | ≤32.73 | 0.70 (0.62–0.78) | 0.66 | 0.69 | 0.43 | 0.85 | <0.001 |
| Waist-hip ratio | ≤0.9889 | 0.63 (0.54–0.72) | 0.85 | 0.40 | 0.33 | 0.88 | 0.0037 |
| Visceral adiposity index | ≤1.467 | 0.62 (0.53–0.72) | 0.60 | 0.59 | 0.35 | 0.81 | 0.0071 |
| Body shape index | ≤0.0897 | 0.62 (0.52–0.72) | 0.52 | 0.70 | 0.38 | 0.80 | 0.0149 |
| Height [cm] | ≤151.5 | 0.57 (0.47–0.67) | 0.45 | 0.75 | 0.40 | 0.80 | 0.1427 |
| AUC – area under the curve; CI – confidence interval; PPV – positive predictive value; NPV – negative predictive value; ROC – receiver-operating characteristic. | |||||||