Table 2.
Baseline characteristics of patients stratified by NUTRIC score.
| Variables | Total (n = 245) | NUTRICa (n = 166) | NUTRICb (n = 79) | Statistic | p |
|---|---|---|---|---|---|
| Age, years | 61.3 ± 16.1 | 56.0 ± 15.4 | 72.5 ± 11.1 | 72.288 | < 0.001 |
| Gender | 0.368 | 0.544 | |||
| Male | 180 (73.5) | 120 (72.3) | 60 (75.9) | ||
| Female | 65 (26.5) | 46 (27.7) | 19 (24.1) | ||
| Smoking history | 100 (40.8) | 66 (39.8) | 34 (43) | 0.238 | 0.625 |
| Alcohol consumption history | 104 (42.4) | 71 (42.8) | 33 (41.8) | 0.022 | 0.882 |
| Hypertension | 114 (46.5) | 63 (38) | 51 (64.6) | 15.228 | < 0.001 |
| Diabetes | 57 (23.3) | 31 (18.7) | 26 (32.9) | 6.077 | 0.014 |
| Coronary artery disease | 28 (11.4) | 12 (7.2) | 16 (20.3) | 8.97 | 0.003 |
| Shock idex | 0.9 ± 0.3 | 0.9 ± 0.3 | 0.9 ± 0.3 | 0.855 | 0.356 |
| Septic shock | 198 (80.8) | 128 (77.1) | 70 (88.6) | 4.565 | 0.033 |
| ARDS | 69 (28.2) | 43 (25.9) | 26 (32.9) | 1.299 | 0.254 |
| AKI | 86 (35.1) | 48 (28.9) | 38 (48.1) | 8.649 | 0.003 |
| MODS | 109 (44.5) | 62 (37.3) | 47 (59.5) | 10.628 | 0.001 |
| pre-ICU hospital length of stay, days | 11.0 (4.0, 22.0) | 10.0 (3.2, 20.0) | 14.0 (4.0, 26.5) | 2.955 | 0.086 |
| APACHEII, points | 23.5 ± 7.8 | 20.4 ± 6.4 | 30.1 ± 6.3 | 121.741 | < 0.001 |
| SOFA, points | 6.7 ± 3.6 | 5.5 ± 2.6 | 9.3 ± 4.0 | 81.585 | < 0.001 |
| CCI, points | 6.2 ± 4.0 | 5.7 ± 3.6 | 7.5 ± 4.5 | 11.263 | < 0.001 |
| WBC,109/L | 11.8 (8.6, 17.0) | 11.8 (8.7, 17.2) | 11.4 (8.1, 16.9) | 0.003 | 0.956 |
| Hb, g/dL | 87.3 ± 25.9 | 87.8 ± 25.9 | 86.0 ± 26.1 | 0.271 | 0.603 |
| LYM, 109/L | 0.7 (0.4, 1.3) | 0.7 (0.4, 1.3) | 0.7 (0.3, 1.2) | 0.247 | 0.619 |
| NEU, × 109/L | 9.7 (6.3, 14.4) | 9.7 (6.5, 15.0) | 9.6 (6.0, 14.4) | 0.314 | 0.575 |
| AST, U/L | 44.0 (25.0, 111.0) | 42.5 (25.0, 109.5) | 55.0 (26.5, 113.5) | 1.144 | 0.285 |
| PA, mg/L | 100.9 (66.4, 156.2) | 106.6 (65.3, 158.6) | 92.1 (69.8, 144.4) | 0.675 | 0.411 |
| ALT, U/L | 29.0 (15.0, 71.0) | 32.0 (15.0, 72.0) | 27.0 (14.5, 59.0) | 0.688 | 0.407 |
| Cr, μmol/L | 138.0 (74.0, 301.0) | 129.0 (67.2, 289.2) | 164.0 (106.0, 384.5) | 5.325 | 0.021 |
| INR | 1.3 (1.2, 1.6) | 1.3 (1.1, 1.6) | 1.3 (1.2, 1.5) | 0.266 | 0.606 |
| Glu, mmol/L | 12.0 ± 4.8 | 11.8 ± 4.4 | 12.3 ± 5.6 | 0.743 | 0.389 |
| IL-6, pg./mL | 148.0 (47.4, 478.0) | 151.5 (44.7, 445.5) | 129.0 (64.2, 566.0) | 1.745 | 0.186 |
| Na+, mmol/L | 140.4 ± 9.6 | 139.6 ± 9.5 | 141.9 ± 9.7 | 3.081 | 0.08 |
| K+, mmol/L | 4.0 ± 0.9 | 4.0 ± 0.9 | 4.0 ± 0.9 | 0.022 | 0.883 |
| LAC, mmol/L | 2.1 (1.3, 3.5) | 2.0 (1.2, 3.0) | 2.5 (1.4, 4.6) | 3.812 | 0.051 |
| Mechanical ventilation, days | 7.0 (3.0, 14.0) | 7.0 (2.0, 12.8) | 9.0 (4.0, 15.0) | 5.314 | 0.021 |
| Use of NMBAs, days | 2.0 (0.0, 5.0) | 2.0 (0.0, 5.0) | 2.0 (1.0, 4.0) | 0.034 | 0.854 |
| Use of vasoactive drugs, days | 5.0 (2.0, 10.0) | 4.0 (2.0, 9.0) | 7.0 (3.0, 11.5) | 7.693 | 0.006 |
| CRRT, days | 0.0 (0.0, 6.0) | 0.0 (0.0, 4.0) | 3.0 (0.0, 8.0) | 16.003 | < 0.001 |
| LOS in hospital, days | 18.0 (10.0, 31.0) | 19.0 (11.0, 32.8) | 16.0 (9.0, 28.5) | 1.943 | 0.163 |
| LOS in ICU, days | 9.0 (5.0, 18.0) | 9.0 (5.0, 17.8) | 10.0 (6.0, 17.5) | 0.191 | 0.662 |
| ICU mortality | 42 (17.1) | 16 (9.6) | 26 (32.9) | 20.411 | < 0.001 |
*Significant P-values are shown in bold.