Table 3 Cox proportional hazards regression analysis of the effects of multiple variables on survival in patients with PM.
Variables | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
HR (95% CI) | p value | HR (95% CI) | p value | |
Age (years) | 1.028 (0.980–1.079) | 0.26 | - | |
Male | 0.549 (0.146–2.062) | 0.375 | - | |
Smoking | 2.463 (0.658–9.218) | 0.181 | - | |
Duration in days of preadmission symptoms | 0.945 (0.812-1.100) | 0.466 | - | |
Antibiotic pretreatment | 0.570 (0.118–2.768) | 0.486 | - | |
Liver (or kidney) transplantation status | 2.035 (0.419–9.874) | 0.378 | ||
Hematopoietic stem cell transplantation status | 1.059 (0.849–1.320) | 0.612 | ||
Malignant tumor in treatment | 0.750 (0.155–3.620) | 0.72 | ||
Diabetes mellitus | 0.827 (0.205–3.338) | 0.79 | - | |
Malignant tumor in treatment | 0.750 (0.155–3.620) | 0.72 | - | |
WBC (×109/L) | 0.955 (0.794–1.149) | 0.955 | - | |
CRP (mg/L) | 1.004 (0.997–1.012) | 0.287 | - | |
PCT (mg/L) | 1.356 (1.061–1.732) | 0.015 | 1.980 (1.283–3.057) | 0.002 |
IL-6 (ng/L) | 1.005 (1.001–1.010) | 0.05 | - | |
Serum iron (µmol/L) | 0.913 (0.839–0.982) | 0.041 | 0.872 (0.784–0.969) | 0.011 |
Serum ferritin (µg/L) | 1.000 (1.000–1.000) | 0.447 | ||
Unsaturated iron-binding capacity (µmol/L) | 0.980 (0.912–1.054) | 0.59 | - | |
Total iron-binding capacity (µmol/L) | 0.973 (0.917–1.032) | 0.357 | - | |
Percentage transferrin saturation (%) | 0.975 (0.930–1.024) | 0.312 | - | |
Hemoglobin (g/L) | 0.974 (0.943–1.005) | 0.099 | - | |
