Disease Markers / 2019 / Article / Tab 2 / Research Article
Predicting Long-Term Mortality after Acute Coronary Syndrome Using Machine Learning Techniques and Hematological Markers Table 2 Baseline characteristics according to the survival or death status–numerical variables. Data is presented as median and interquartile range (IQR).
values refer to the results of the two-tailed Mann-Whitney
test.
Survival ( ) Death ( ) valueAge (years) 65.5 (59.4-73.0) 72.1 (64.4-79.8) <0.001 Troponin elevation (ratio) 0.9 (0.4-3.9) 3.1 (0.7-38.2) <0.001 Systolic blood pressure (mmHg) 120.0 (110.0-130.0) 117.0 (110.0-130.0) <0.001 Diastolic blood pressure (mmHg) 80.0 (75.0-90.0) 78.0 (70.0-85.0) <0.001 Heart rate at admission 72.0 (64.0-83.0) 76.0 (66.0-89.0) <0.001 C-reactive protein (mg/dl) 0.4 (0.2-1.8) 2.2 (0.6-6.4) <0.001 Fibrinogen (mg/dl) 398.0 (344.0-467.0) 430.0 (363.8-517.2) <0.001 Creatinine (mg/dl) 1.0 (0.8-1.1) 1.1 (0.9-1.4) <0.001 Neutrophil (103 /mm3 ) 5.1 (3.9-6.6) 6.1 (4.5-8.6) <0.001 Lymphocyte (103 /mm3 ) 1.9 (1.5-2.4) 1.6 (1.2-2.2) <0.001 Monocyte (103 /mm3 ) 0.6 (0.5-0.7) 0.7 (0.5-0.9) <0.001 Eosinophil (103 /mm3 ) 0.1 (0.1-0.2) 0.1 (0.0-0.2) <0.001 Hematocrit (%) 42.7 (39.8-45.4) 40.3 (35.9-43.9) <0.001 Hemoglobin (g/dl) 14.5 (13.5-15.5) 13.5 (11.9-14.8) <0.001 Red cell distribution width 12.2 (11.6-12.9) 12.8 (12.0-14.0) <0.001 Mean cell volume (fl) 91.1 (88.2-94.4) 91.6 (88.1-95.2) 0.1 Platelets (103 /mm3 ) 221.0 (186.0-261.0) 223.0 (174.2-269.0) 0.72 Mean platelet volume (fl) 8.6 (7.5-9.8) 8.3 (7.3-9.6) 0.001 Alanine aminotransferase (U/l) 24.0 (17.0-34.0) 23.0 (16.0-37.0) 0.01 Aspartate aminotransferase (U/s) 24.0 (19.0-32.0) 28.0 (20.0-52.0) <0.001 Basophil count (103 /mm3 ) 0.1 (0.1-0.1) 0.1 (0.0-0.1) 0.02 Cholesterol level (mg/dl) 175.0 (144.0-216.0) 162.0 (135.0-198.0) <0.001 Low-density lipoprotein (mg/dl) 106.0 (78.0-143.0) 97.0 (73.0-127.0) <0.001 High-density lipoprotein (mg/dl) 50.0 (41.0-60.0) 46.0 (37.0-57.0) <0.001 Triglycerides (mg/dl) 122.0 (88.0-172.0) 105.0 (79.8-149.2) 0.04 Sodium (mmol/l) 141.0 (139.0-143.0) 140.0 (138.0-142.0) <0.001 Potassium (mmol/l) 4.4 (4.1-4.7) 4.4 (4.1-4.8) 0.01 Urea (mg/dl) 36.0 (30.0-45.0) 47.0 (36.0-65.2) 0.4 Neutrophil to lymphocyte ratio 2.6 (1.9-3.7) 3.6 (2.4-5.9) <0.001 Platelet to lymphocyte ratio 114.4 (87.8-149.6) 131.6 (94.4-187.3) <0.001 Days of hospitalization 4.0 (3.0-5.0) 4.0 (3.0-7.0) <0.001