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Table 1 Label statistics and characteristics of 3 prediction tasks. SD represents standard deviation

From: Combining structured and unstructured data for predictive models: a deep learning approach

  In-hospital mortality 30-day readmission Long length of stay
Yes No Yes No Yes No
# of admissions (%) 3771 (9.6) 35658 (90.4) 2237 (5.7) 37192 (94.3) 19689 (49.9) 19740 (50.1)
Length of hospital stay (SD) 12.1 (14.4) 10.1 (10.3) 12.8 (13.2) 10.1 (10.6) 16.3 (12.5) 4.2 (1.6)
Demographics Age (SD) 68.1 (14.8) 61.7 (16.6) 63.1 (16.4) 62.2 (16.6) 63.5 (15.9) 61.1 (17.1)
Gender (male) 2102 20699 1315 21486 11370 11431
Admission type EMERGENCY 3512 29164 1987 30689 16493 16183
ELECTIVE 142 5661 213 5590 2648 3155
URGENT 117 833 37 913 548 402
Vital signs (SD) Heart rate 89.9 (20.2) 84.3 (17.6) 85.5 (17.6) 84.8 (17.9) 87.0 (18.5) 83.2 (17.2)
SysBP 116.3 (23.0) 120.0 (21.1) 119.2 (22.8) 119.7 (21.3) 119.6 (21.9) 119.7 (20.9)
DiasBP 58.9 (14.4) 61.9 (14.2) 61.6 (15.7) 61.6 (14.2) 61.1 (14.1) 62.0 (14.4)
MeanBP 76.5 (15.9) 79.0 (15.0) 78.2 (16.4) 78.8 (15.1) 78.7 (15.4) 78.7 (14.9)
Respiratory rate 20.6 (6.0) 18.5 (5.2) 19.0 (5.5) 18.7 (5.3) 19.1 (5.5) 18.5 (5.1)
Temperature 36.8 (1.1) 36.9 (0.8) 36.8 (0.8) 36.9 (0.8) 36.9 (0.9) 36.8 (0.8)
SpO2 97.0 (4.1) 97.3 (2.7) 97.3 (2.9) 97.3 (2.9) 97.4 (2.9) 97.2 (2.9)
Lab tests (SD) Anion gap 16.2 (5.0) 14.0 (3.6) 14.4 (3.9) 14.2 (3.9) 14.4 (3.8) 14.0 (3.9)
Albumin 2.8 (0.6) 3.2 (0.6) 3.0 (0.6) 3.1 (0.6) 3.0 (0.6) 3.2 (0.6)
Bands 10.6 (12.0) 10.0 (9.9) 9.7 (9.5) 10.2 (10.4) 10.2 (10.4) 10.0 (10.4)
Bicarbonate 21.8 (5.7) 23.7 (4.7) 24.1 (5.4) 23.5 (4.8) 23.4 (4.9) 23.6 (4.8)
Bilirubin 4.1 (7.3) 1.7 (3.7) 2.3 (5.1) 2.1 (4.5) 2.3 (4.8) 1.8 (4.0)
Creatinine 1.8 (1.6) 1.4 (1.7) 1.9 (2.1) 1.5 (1.7) 1.6 (1.8) 1.4 (1.6)
Chloride 104.9 (7.6) 105.4 (6.4) 104.2 (6.9) 105.4 (6.5) 105.2 (6.7) 105.6 (6.3)
Glucose 150.8 (79.3) 141.7 (70.6) 142.5 (74.3) 142.7 (71.6) 143.8 (69.1) 141.5 (74.5)
Hematocrit 31.2 (5.8) 31.5 (5.4) 30.4 (5.4) 31.6 (5.5) 31.3 (5.5) 31.7 (5.4)
Hemoglobin 10.5 (2.0) 10.9 (1.9) 10.3 (1.8) 10.8 (1.9) 10.7 (1.9) 10.9 (1.9)
Lactate 4.0 (3.5) 2.4 (1.8) 2.5 (1.8) 2.7 (2.2) 2.7 (2.1) 2.6 (2.4)
Platelet 193.3 (126.6) 212.2 (110.7) 209.7 (122.9) 210.2 (111.9) 209.1 (120.1) 211.4 (103.6)
Potassium 4.2 (0.8) 4.1 (0.7) 4.2 (0.7) 4.1 (0.7) 4.1 (0.7) 4.1 (0.7)
PTT 45.2 (28.1) 40.8 (25.2) 42.9 (26.5) 41.2 (25.5) 42.4 (25.9) 39.9 (25.1)
INR 1.8 (1.4) 1.5 (0.9) 1.6 (1.1) 1.5 (1.0) 1.6 (1.1) 1.5 (0.9)
PT 18.3 (8.8) 15.9 (6.7) 17.4 (9.0) 16.1 (6.9) 16.5 (7.4) 15.8 (6.5)
Sodium 138.7 (6.5) 138.8 (5.0) 138.5 (5.3) 138.8 (5.2) 138.7 (5.4) 138.8 (5.0)
BUN 37.1 (27.2) 25.3 (21.7) 31.9 (24.9) 26.2 (22.5) 28.7 (23.9) 24.3 (21.0)
WBC 14.4 (21.4) 11.6 (10.7) 12.2 (20.1) 11.9 (11.6) 12.3 (13.4) 11.5 (10.9)