Table 2.
Summary of patient outcomes stratified by GNRI quartiles.
| Overall | Q1 GNRI < 90.31 | Q2 90.31 ≤ GNRI < 100.23 | Q3 100.23 ≤ GNRI < 111.28 | Q4 GNRI ≥ 111.28 | p | |
|---|---|---|---|---|---|---|
| Outcomes | n = 4,564 | n = 1,140 | n = 1,141 | n = 1,142 | n = 1,141 | |
| MIMIC-IV | ||||||
| 28 day mortality | 745 (16.3) | 230 (20.2) | 176 (15.4) | 187 (16.4) | 152 (13.3) | <0.001 |
| 28 day ICU mortality | 761 (16.7) | 237 (20.8) | 177 (15.5) | 190 (16.6) | 157 (13.8) | <0.001 |
| QY cohort | Overall | Q1 GNRI < 84.92 |
Q2 84.92 ≤ GNRI < 96.04 |
Q3 96.04 ≤ GNRI < 108.59 |
Q4 GNRI ≥ 108.59 |
p |
| n = 3,458 | n = 863 | n = 866 | n = 865 | n = 864 | ||
| 28 day mortality | 496 (14.3) | 176 (20.4) | 125 (14.4) | 91 (10.5) | 104 (12.0) | <0.001 |
| 28 day ICU mortality | 280 (8.1) | 89 (10.3) | 69 (8.0) | 57 (6.6) | 65 (7.5) | 0.033 |
Categorical variables are expressed as count (percentage). Chi-square testing was used to generate P values for comparisons of outcomes between GNRI quartile groups. GNRI, Geriatric Nutrition Risk Index.