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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