Table 3.
Diagnostic value of the nutritional indexes for distinguishing between sarcopenia and non-sarcopenia.
| AUC | 95% CI | Cut-off | P | P. vs. albumin | P vs. GNRI | |
|---|---|---|---|---|---|---|
| All | ||||||
| Albumin, g/dL | 0.687 | (0.607–0.766) | 4.05 | < 0.001 | – | – |
| GNRI, points | 0.827 | (0.773–0.881) | 105.8 | < 0.001 | < 0.001 | – |
| CONUT, points | 0.557 | (0.448–0.667) | 3.00 | 0.299 | 0.108 | < 0.001 |
| Men | ||||||
| Albumin, g/dL | 0.683 | (0.573–0.792) | 4.20 | 0.006 | – | – |
| GNRI, points | 0.833 | (0.763–0.903) | 106.9 | < 0.001 | < 0.001 | – |
| CONUT, points | 0.592 | (0.425–0.725) | 2.00 | 0.256 | 0.481 | 0.010 |
| Women | ||||||
| Albumin, g/dL | 0.688 | (0.574–0.803) | 4.000 | 0.006 | – | – |
| GNRI, points | 0.827 | (0.749–0.905) | 105.8 | < 0.001 | 0.012 | – |
| CONUT, points | 0.534 | (0.390–0.677) | 1.00 | 0.660 | 0.084 | < 0.001 |
| BMI<22 | ||||||
| Albumin, g/dL | 0.655 | (0.535–0.776) | 3.80 | 0.030 | – | – |
| GNRI, points | 0.679 | (0.568–0.790) | 102.0 | 0.013 | 0.641 | – |
| CONUT, points | 0.654 | (0.515–0.793) | 1.00 | 0.055 | 0.673 | 0.729 |
| BMI ≥22 | ||||||
| Albumin, g/dL | 0.684 | (0.572–0.797) | 4.00 | 0.005 | – | – |
| GNRI, points | 0.852 | (0.783–0.922) | 112.1 | < 0.001 | < 0.001 | – |
| CONUT, points | 0.706 | (0.544–0.869) | 2.00 | 0.012 | 0.721 | 0.035 |
| Diabetes duration<5 years | ||||||
| Albumin, g/dL | 0.321 | (0.037–0.606) | 4.40 | 0.316 | – | – |
| GNRI, points | 0.786 | (0.593–0.979) | 109.2 | 0.109 | 0.062 | – |
| CONUT, points | 0.435 | (0.186–0.684) | 1.00 | 0.828 | 0.102 | 0.015 |
| Diabetes duration ≥5 years | ||||||
| Albumin, g/dL | 0.711 | (0.632–0.789) | 4.00 | < 0.001 | – | – |
| GNRI, points | 0.831 | (0.775–0.887) | 105.8 | < 0.001 | < 0.001 | – |
| CONUT, points | 0.446 | (0.332–0.559) | 3.00 | 0.333 | 0.066 | < 0.001 |
AUC, area under the curve; GNRI, geriatric nutritional risk index; CONUT, controlling nutritional status; CI, confidential intervals; P, provability.