Table 2 Factors affecting 30-day survival of ICU patients aged ≥ 80 years with SOFA ≥ 2 at admission, multivariate analysis
HR (95% CI) | p value | |
|---|---|---|
A. Results of the Cox analysis considering all acutely admitted patients (n = 3869) | ||
Sepsis | 0.99 (0.86–1.15) | p = 0.9173 |
Age (per 5-year increase) | 1.16 (1.09–1.25) | p < 0.0001 |
Frailty: vulnerable vs. fit | 1.16 (1–1.35) | p = 0.0556 |
Frailty: frail vs. fit | 1.47 (1.31–1.66) | p < 0.0001 |
Male vs. female | 1.16 (1.05–1.28) | p = 0.0043 |
SOFA score (per one-point increase) | 1.13 (1.12–1.14) | p < 0.0001 |
B. Results of the Cox analysis considering only acute patients admitted for sepsis (n = 493) | ||
Age (per 5-year increase) | 1.33 (1.1–1.61) | p = 0.0029 |
Frailty: vulnerable vs. fit | 1.54 (1.02–2.34) | p = 0.0416 |
Frailty: frail vs. fit | 1.47 (1.07–2.02) | p = 0.0182 |
Male vs. female | 1.12 (0.85–1.47) | p = 0.4202 |
SOFA score (per one-point increase) | 1.13 (1.1–1.17) | p < 0.0001 |
C. Results of the Cox analysis considering only acute patients admitted for other reason than sepsis (n = 3376) | ||
Age (per 5-year increase) | 1.14 (1.06–1.23) | p = 0.0005 |
Frailty: vulnerable vs. fit | 1.11 (0.95–1.31) | p = 0.1939 |
Frailty: frail vs. fit | 1.48 (1.31–1.68) | p < 0.0001 |
Male vs. female | 1.16 (1.04–1.3) | p = 0.0064 |
SOFA score (per one-point increase) | 1.13 (1.12–1.14) | p < 0.0001 |