Cardiovascular magnetic resonance normal values in children for biventricular wall thickness and mass

Table 8 Linear regression analysis showing impact of demographic parameters on RV myocardial thickness and mass separately for each variable

Variable	Regression coefficient	Standard error	P value
Myocardial thickness, RV base
Age	0.070	0.0054	< 2 × 10^–16
Men	0.048	0.046	0.30
Body surface area	0.78	0.041	< 2 × 10^–16
Body height	0.013	0.00088	< 2 × 10^–16
Body weight	0.014	0.00082	< 2 × 10^–16
Average heart rate	− 0.0033	0.0014	0.018
Myocardial thickness, RV mid-cavity
Age	0.065	0.0054	< 2 × 10^–16
Men	0.072	0.044	0.106
Body surface area	0.73	0.041	< 2 × 10^–16
Body height	0.012	0.00086	< 2 × 10^–16
Body weight	0.013	0.00080	< 2 × 10^–16
Average heart rate	− 0.0025	0.0013	0.060
Myocardial thickness, RV apex
Age	0.054	0.0050	< 2 × 10^–16
Men	0.072	0.039	0.066
Body surface area	0.63	0.038	< 2 × 10^–16
Body height	0.010	0.00079	< 2 × 10^–16
Body weight	0.011	0.00072	< 2 × 10^–16
Average heart rate	− 0.0031	0.0012	0.0089
Myocardial mass
Age	2.52	0.22	< 2 × 10^–16
Men	5.77	1.70	0.00087
Body surface area	28.79	1.62	< 2 × 10^–16
Body height	0.50	0.031	< 2 × 10^–16
Body weight	0.49	0.034	< 2 × 10^–16
Average heart rate	− 0.24	0.050	4.3 × 10^–6

ISSN: 1532-429X