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Table 4 Stepwise multivariable logistic regression model of different outcome

From: Machine learning-based risk models for procedural complications of radiofrequency ablation for atrial fibrillation

variable

Any complication

Cardiac effusion/tamponade

Hemorrhage

OR (95%CI)

P value

OR (95% CI)

P value

OR (95% CI)

P value

Female

0.85 (0.49, 1.44)

0.54

0.91 (0.41, 1.96)

0.82

0.95 (0.41, 2.13)

0.90

Age (< 65 as reference)

1.43 (0.75, 2.87)

0.30

1.27 (0.57, 3.03)

0.56

2.23 (0.85, 6.98)

0.13

BMI (< 25 as reference)

0.76 (0.44, 1.29)

0.32

0.47 (0.19, 1.04)

0.08

  

HR (≤ 100 as reference)

0.85 (0.29, 1.98)

0.73

    

LAD (normal as reference)

0.70 (0.39, 1.28)

0.24

  

0.52 (0.21, 1.33)

0.16

CHA2DS2_VACS score (< 2 as reference)

1.73 (0.81, 3.91)

0.17

    

CREA (high vs normal or low)

2.44 (1.31, 4.36)

0.00

  

2.95 (1.24, 6.68)

0.01

TnI (≤ 0.04 ng/mL as reference)

2.23 (0.82, 5.08)

0.08

  

3.65(1.01, 10.42)

0.03

AST (≤ 40 U/L as reference)

2.29 (1.13, 4.32)

0.01

3.53 (1.40, 8.15)

0.00

2.70 (0.95, 6.60)

0.06

NT proBNP (300–900 as reference)

  < 300 ng/L

0.81 (0.39, 1.70)

0.58

1.00 (0.33, 3.16)

0.99

  

  > 900 ng/L

1.66 (0.88, 3.21)

0.12

2.17 (0.86, 6.19)

0.12

  

ALB (> 35 g/L as reference)

  

2.95 (0.82, 8.27)

0.06

  

AF_category (Paroxysmal AF as reference)

 Persistent AF

    

2.79 (1.11, 7.47)

0.03

 Chronic AF

    

1.69 (0.24, 7.52)

0.53

DD (≤ 0.55 mg/L as reference)

    

2.66 (1.15, 5.90)

0.02

Antiplatelet agents

    

2.58 (0.72, 7.27)

0.10

Hypertension

    

2.06 (0.83, 5.85)

0.14

Diabetes

    

1.88 (0.77, 4.32)

0.15

  1. LAD: normal: left artrial diameter < 41 mm in men or < 39 mm in women; enlargement: ≥ 41 mm in men or ≥ 39 mm in women; CREA: low or normal: ≤ 111 μmol/L in men or ≤ 81 μmol/L in women; high: > 111 μmol/L in men or > 81 μmol/L in women