Table 4 Simple (A) and multiple (B) linear regression model of potential predictors of increased time duration to advance the catheter through the pulmonary valve

 Age (year)

0.062 (− 0.270–0.394)

0.167

0.712

 Sex (male)

4.497 (− 5.076–14.070)

4.824

0.354

 Height (cm)

0.167 (− 0.188–0.522)

0.179

0.353

 Weight (kg)

− 0.038 (− 0.361–0.285)

0.163

0.815

 BMI (kg/m²)

− 0.747 (− 1.942–0.448)

0.602

0.218

 CTR (%)

0.669 (0.053–1.284)

0.310

0.034

 LVEF (%)

0.012 (− 0.306–0.329)

0.160

0.941

 Degree of TR

7.063 (2.815–11.310)

2.140

0.001

 Atrial fibrillation

23.842 (11.063–36.621)

6.44

0.001

 S Val/BSA (mm/m²)

2.232 (0.896–3.368)

0.623

0.001

 STJ/BSA (mm/m²)

3.383 (1.995–4771)

0.699

< 0.001

 CTR (%)

− 0.087 (− 0.708–0.535)

0.313

0.783

 Degree of TR

4.664 (0.070–9.258)

2.314

0.047

 Atrial fibrillation

8.380 (− 6.603–23.362)

7.547

0.270

 STJ/BSA (mm/m²)

2.897 (1.422–4.371)

0.743

0.001