Table 3 Simple (A) and multiple (B) linear regression model of potential predictors of increased time duration to advance the catheter through the tricuspid valve

 Age (year)

0.371 (− 0.197–0.938)

0.296

0.198

 Sex (male)

− 10.630 (− 27.029–5.769)

8.264

0.201

 Height (cm)

− 0.287 (− 0.897–0.324)

0.308

0.354

 Weight (kg)

− 0.087 (− 0.642–0.463)

0.280

0.755

 BMI (kg/m²)

0.633 (− 1.435–2.701)

1.042

0.545

 CTR (%)

0.469 (− 0.610–1.548)

0.544

0.391

 LVEF (%)

0.104 (− 0.442–0.649)

0.275

0.706

 Degree of TR

6.993 (− 0.578–14.564)

3.815

0.070

 Atrial fibrillation

− 8.441 (− 31.844–14.962)

11.793

0.476

 S Val/BSA (mm/m²)

− 0.961 (− 3.202–1.280)

1.129

0.397

 STJ/BSA (mm/m²)

− 1.696 (− 4.331–0.939)

1.328

0.205

 Age (year)

0.263 (− 0.316–0.842)

0.292

0.370

 Degree of TR

6.160 (− 1.638–13.959)

3.929

0.120