Logistic regression analysis for patients with CHF
| Variables | Univariate analysis | Multivariate analysis | ||
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Age | 1.027 (1.023 to 1.031) | <0.001 | 1.041 (1.036 to 1.046) | <0.001 |
| Gender, n (%) | ||||
| Male | Reference | |||
| Female | 1.026 (0.934 to 1.128) | 0.589 | ||
| Race, n (%) | ||||
| White | Reference | |||
| Black | 0.817 (0.701 to 0.951) | 0.009 | 1.029 (0.854 to 1.236) | 0.759 |
| Other | 1.325 (1.178 to 1.490) | <0.001 | 1.310 (1.136 to 1.509) | <0.001 |
| COPD, n (%) | ||||
| No | Reference | |||
| Yes | 0.996 (0.905 to 1.096) | 0.933 | ||
| AMI, n (%) | ||||
| No | Reference | |||
| Yes | 1.242 (1.126 to 1.371) | <0.001 | 1.097 (0.975 to 1.234) | 0.123 |
| Diabetes, n (%) | ||||
| No | Reference | |||
| Yes | 0.958 (0.871 to 1.053) | 0.372 | ||
| HepF, n (%) | ||||
| No | Reference | |||
| Yes | 2.599 (2.089 to 3.233) | <0.001 | 2.321 (1.750 to 3.059) | <0.001 |
| Norepinephrine, n (%) | ||||
| No | Reference | |||
| Yes | 6.572 (5.950 to 7.258) | <0.001 | 2.075 (1.789 to 2.407) | <0.001 |
| Dopamine, n (%) | ||||
| No | Reference | |||
| Yes | 8.569 (7.114 to 10.322) | <0.001 | 2.178 (1.733 to 2.738) | <0.001 |
| Epinephrine, n (%) | ||||
| No | Reference | |||
| Yes | 4.455 (3.802 to 5.219) | <0.001 | 0.869 (0.696 to 1.083) | 0.212 |
| Phenylephrine, n (%) | ||||
| No | Reference | |||
| Yes | 7.059 (6.223 to 8.008) | <0.001 | 1.753 (1.475 to 2.083) | <0.001 |
| Vasopressin, n (%) | ||||
| No | Reference | |||
| Yes | 10.976 (9.660 to 12.470) | <0.001 | 3.123 (2.607 to 3.744) | <0.001 |
| Mechanical ventilation, n (%) | ||||
| No | Reference | |||
| Yes | 2.915 (2.405 to 3.534) | <0.001 | 1.606 (1.295 to 2.009) | <0.001 |
| Intubation, n (%) | ||||
| No | Reference | |||
| Yes | 2.496 (2.268 to 2.746) | <0.001 | 1.902 (1.671 to 2.164) | <0.001 |
| Heart rate, beats per minute | 1.020 (1.017 to 1.023) | <0.001 | 1.100 (1.006 to 1.014) | <0.001 |
| Respiratory rate, breaths per minute | 1.113 (1.100 to 1.126) | <0.001 | 1.091 (1.074 to 1.107) | <0.001 |
| Temperature, ℃ | 0.674 (0.618 to 0.736) | <0.001 | 0.692 (0.626 to 0.765) | <0.001 |
| SBP, mm Hg | 0.965 (0.962 to 0.969) | <0.001 | 0.990 (0.986 to 0.994) | <0.001 |
| Chloride, mmol/L | 0.985 (0.978 to 0.991) | <0.001 | 0.988 (0.979 to 0.996) | 0.005 |
| AG | 1.129 (1.118 to 1.140) | <0.001 | 1.054 (1.039 to 1.070) | <0.001 |
| BUN, mg/dL | 1.014 (1.013 to 1.016) | <0.001 | 1.009 (1.006 to 1.011) | <0.001 |
| Creatinine, mg/dL | 1.103 (1.079 to 1.127) | <0.001 | 0.952 (0.910 to 0.995) | 0.032 |
| Calcium, mmol/L | 0.825 (0.778 to 0.876) | <0.001 | 0.956 (0.894 to 1.020) | 0.177 |
| Sodium, mmol/L | 0.995 (0.986 to 1.004) | 0.253 | ||
| Potassium, mmol/L | 1.255 (1.187 to 1.326) | <0.001 | 1.014 (0.945 to 1.089) | 0.694 |
| Haemoglobin, g/dL | 0.963 (0.942 to 0.984) | 0.001 | 0.985 (0.792 to 1.229) | 0.462 |
| MCH, pg | 1.005 (0.988 to 1.022) | 0.566 | ||
| MCHC, g/L | 0.822 (0.800 to 0.844) | <0.001 | 0.941 (0.870 to 1.018) | 0.251 |
| MCV, fL | 1.034 (1.028 to 1.041) | <0.001 | 1.034 (1.010 to 1.059) | 0.005 |
| RDW | 1.178 (1.158 to 1.199) | <0.001 | 1.128 (1.101 to 1.157) | <0.001 |
| WCC, ×109/L | 1.030 (1.025 to 1.035) | <0.001 | 1.007 (1.002 to 1.012) | 0.008 |
| Platelet, ×109/L | 1.000 (0.999 to 1.000) | 0.521 | ||
| RBC, ×109/L | 0.907 (0.852 to 0.966) | 0.002 | 1.180 (0.615 to 2.238) | 0.302 |
AG, anion gap; AMI, acute myocardial infarction; BUN, blood urea nitrogen; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; HepF, hepatic failure; MCH, mean corpuscular haemoglobin; MCHC, mean corpuscular haemoglobin concentration; MCV, mean corpuscular volume; RBC, red blood cell; RDW, red blood cell distribution width; SBP, systolic blood pressure; WCC, white cell count.