Table 3 Univariate and multivariate analyses for 60-day mortality in patients with 7-day survival
Variables | Univariate | Multivariate | ||||
|---|---|---|---|---|---|---|
HR (95% CI) | χ2 | P value | HR (95% CI) | χ2 | P value | |
Age (years) | 1.01 (1.00–1.02) | 5.77 | 0.014 |  |  |  |
Sepsis | 1.31 (1.07–1.89) | 4.66 | 0.04 |  |  |  |
Diabetes mellitus | 1.37 (1.08–2.01) | 5.22 | 0.02 |  |  |  |
Use of vasoactive drugs | 1.88 (1.36–2.45) | 11.4 | <0.001 | 1.49 (1.23–1.78) | 5.93 | 0.015 |
Mechanical ventilation | 1.33 (1.07–1.95) | 4.72 | 0.04 |  |  |  |
Serum creatinine (μmol/L) | 1.002 (1.001–1.003) | 10.1 | <0.001 |  |  |  |
Serum lactate (mmol/L) | 1.14 (1.02–1.28) | 5.39 | 0.02 | 1.09 (1.01–1.19) | 4.01 | 0.046 |
AGI grade on first day of ICU admission (I/II vs. III/IV) | 1.83 (1.29–2.42) | 10.8 | <0.001 | 1.50 (1.26–1.81) | 6.16 | 0.013 |
FI within first week of ICU stay | 1.75 (1.26–2.38) | 9.50 | 0.002 | 1.67 (1.22–2.37) | 7.32 | 0.007 |
APACHE II score | 1.05 (1.03–1.08) | 25.0 | <0.001 | 1.04 (1.02–1.06) | 10.6 | 0.001 |