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Table 2 Predictor variables of all-cause mortality in the model

From: Time-to-event prediction analysis of patients with chronic heart failure comorbid with atrial fibrillation: a LightGBM model

Variables Survive (n = 1573) Death (n = 223) P
Age, years 72 (63, 79) 77 (71, 82)  < 0.001
BMI, kg/m2 24.34(22.23,27.00) 23.52(20.83,25.95)  < 0.001
DBP, mmHg 80 (70,86) 76 (70, 84) 0.01
WBC,109/L 6.60 (5.30, 7.80) 7.00 (5.80, 8.60)  < 0.001
Hemoglobin, g/L 135 (125, 150) 129 (118, 142)  < 0.001
RDW, % 14.1 (13.54, 14.56) 14.5 (13.93, 15.26)  < 0.001
AST, U/L 23.00 (21.00, 24.00) 25.00 (21.00, 39.00)  < 0.001
Albumin, U/L 42.00 (39.80, 45.40) 40.00 (37.00, 43.00)  < 0.001
TBIL, umol/L 16.50 (12.70, 20.20) 20.20 (14.60, 22.80)  < 0.001
ALP, U/L 76 (64, 88) 76 (64, 97) 0.029
BUN, mmol/L 6.50 (5.19, 8.20) 7.81 (5.80,10.20)  < 0.001
CyscGFR, ml/min/1.73m2 57.70(51.25,69.77) 46.40(38.69,61.03)  < 0.001
Uric acid, umol/L 399.0 (327.0, 470.0) 457.0 (350.0, 523.0)  < 0.001
NT-proBNP, ng/L 2201(983, 3293) 4563 (2201,7532)  < 0.001
QRS, ms 98 (88, 116) 106 (90, 130)  < 0.001
LVEF, % 50 (40, 59) 45 (38, 56)  < 0.001
NYHA class, n (%)    
II 560 (97.56) 14 (2.44)  < 0.001
III or IV 1013(82.90) 209 (17.10)  
COPD n (%)    
No 1242 (91.06) 122(8.94)  < 0.001
Yes 331 (76.62) 101 (23.38)  
Diabetes n (%)    
No 1148 (89.48) 135 (10.52)  < 0.001
Yes 425 (82.85) 88 (17.15)  
ACEI/ARB, n (%)    
Yes 763 (89.34) 91(10.66) 0.031
No 810 (85.99) 132 (14.01)  
Beta-blockers, n (%)    
Yes 1112 (91.67) 101 (8.33)  < 0.001
No 461 (79.07) 122 (20.93)  
  1. Data are presented as median (interquartile range) or n (%)
  2. BMI: body mass index, DBP: diastolic blood pressure, WBC: white blood cell, RDW: red blood cell distribution width, ALT: alanine aminotransferase, AST: aspartate aminotransferase, TBIL: total bilirubin, BUN: blood urea nitrogen, ALP: alkaline phosphatase, CyscGFR: estimated glomerular filtration rate was calculated by cystatin C, NT-proBNP: N-terminal pro-brain natriuretic peptide, LVEF: left ventricular ejection fraction, NYHA: New York Hearth Association, COPD: chronic obstructive pulmonary disease, ACEI: angiotensin-converting enzyme inhibitor, ARB: angiotensin receptor blocker