Page 17 - Journal of Structural Heart Disease Volume 4, Issue 3

Original Scienti c Article
74
Table 3. Univariate analysis and multivariate stepwise logistic regression analysis for prolonged procedure time.
Univariate analysis
Multivariate analysis
Variables
P-value
Odds ratio
95% CI
P-Value
Odds Ratio
95% CI
Demographics-related variables
Height (cm)
Body surface area (m2)
ASD size/weight
ASD size/length
Device waist size/patient’s weight
Device waist size/patient’s length
0.013 3.5 0.027 2.96
0.008 3.79 0.042 2.78 0.004 4.8
0.004 4.8
1.27-9.62 1.11-7.89
1.37-10.45 1.02-7.59 1.58-14.55
1.58-14.55
0.006 7.28
0.92-6.53
1.78–29.85
Left atrium & anatomy-related variables
LA coronal length
LA lateral length
LA coronal length, indexed
LA lateral length, indexed
LA A-P length, indexed
Device waist diameter/LA, A-P length
Device waist diameter/LA coronal length
Device waist di- ameter/LA lateral length
SVC rim size
Tricuspid valve annulus size
0.07 2.45
0.012 3.64 1.3-10.23 0.046 2.7 1.0-7.26
0.046 2.7 1.0-7.26 0.065 2.5 0.93-6.71 0.046 2.7 1-7.26
0.013 3.5 1.27-9.62
0.008 3.79 1.37-10.45
0.006 4.54 1.46-14.08 0.008 3.93 1.4-11.07
0.011 6.89
1.56-30.44
Hemodynamics & procedure related variables
PA mean P 0.04 2.8
Procedure time <0.001 16.36 (min)
Fluoroscopy time <0.001 10.47 (min)
1.03-7.61 5.02-53.31
3.46-31.71
CI = con dence interval; LA = left atrium; A-P = antero-posterior; SVC = superior vena cava; LVEDD = left ventricular end diastolic dimension; RV = right ventricle; PA = pulmonary artery
Journal of Structural Heart Disease, June 2018 Volume 4, Issue 3:69-78