Table 1 Demographics of the combined data used to train and test models for the prediction of seven-day mortality in acute heart failure patients presenting to the Emergency Department. Differences between the positive and negative class were evaluated for significance with a two proportions z-test
|
AHF patients who die within seven days N (%) |
AHF patients who do not die within seven days N (%) | P value | |
|---|---|---|---|
| Age | |||
| < 30 | 0 (0.00) | 25 (1.56) | 0.2785 |
| 30–49 | 2 (2.70) | 153 (9.57) | 0.0464 |
| 50–59 | 7 (9.46) | 205 (12.82) | 0.3955 |
| 60–69 | 8 (10.81) | 315 (19.70) | 0.0582 |
| 70–80 | 17 (22.97) | 311 (19.45) | 0.4555 |
| 80+ | 40 (54.05) | 590 (36.90) | 0.0029 |
| Sex | |||
| Female | 33 (44.6) | 664 (41.5) | 0.601 |
| Male | 41 (55.4) | 935 (58.5) | 0.601 |
| Race | |||
| American Indian or Alaska Native | 0 (0) | 1 (0.09) | 0.8296 |
| Asian | 26 (35.14) | 256 (22.72) | <.0001 |
| Black or African American | 8 (10.81) | 204 (18.1) | 0.6225 |
| Native Hawaiian or Other Pacific Islander | 4 (5.41) | 31 (2.75) | 0.0416 |
| Other | 10 (13.51) | 149 (13.22) | 0.2290 |
| Unknown/Declined | 1 (1.35) | 20 (1.77) | 0.9394 |
| Ethnicity | |||
| Hispanic or Latino | 5 (6.76) | 93 (8.25) | 0.7362 |
| Not Hispanic or Latino | 65 (87.84) | 1013 (89.88) | <.0001 |
| Unknown/Declined | 4 (5.41) | 21 (1.86) | 0.0046 |
| Medical Comorbidities | |||
| Dyslipidemia | 21 (28.38) | 590 (36.9) | 0.1367 |
| Diabetes Mellitus | 28 (37.84) | 703 (43.96) | 0.2989 |
| Hypertension | 46 (62.16) | 1223 (76.49) | 0.0049 |
| Peripheral Vascular Disease | 4 (5.41) | 138 (8.63) | 0.3305 |
| Atrial Fibrillation | 38 (51.35) | 757 (47.34) | 0.4996 |
| Chronic Kidney Disease | 41 (55.41) | 839 (52.47) | 0.6211 |
| Hepatic Cirrhosis | 4 (5.41) | 76 (4.75) | 0.7971 |
| Chronic Obstructive Pulmonary Disease | 22 (29.73) | 399 (24.95) | 0.3546 |
| Cancer | 21 (28.38) | 145 (9.07) | <.0001 |
| Dementia | 12 (16.22) | 129 (8.07) | 0.0136 |
| Depression | 6 (8.11) | 176 (11.01) | 0.4337 |
| History of TIA or Ischemic Stroke | 2 (2.7) | 54 (3.38) | 0.7525 |
| History of MI | 12 (16.22) | 261 (16.32) | 0.9807 |