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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

From: Prediction of short-term mortality in acute heart failure patients using minimal electronic health record data

  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