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

Table 2 Linear regression analysis showing impact of demographic parameters on LV myocardial thickness and mass separately for each variable

Variable	Regression coefficient	Standard error	P value
Myocardial thickness, LV base
Age	0.20	0.021	< 2 × 10^–16
Men	0.55	0.15	0.00036
Body surface area	2.50	0.15	< 2 × 10^–16
Body height	0.040	0.0032	< 2 × 10^–16
Body weight	0.044	0.0029	< 2 × 10^–16
Average heart rate	− 0.011	0.0046	0.018
Myocardial thickness, LV mid-cavity
Age	0.17	0.024	1.2 × 10^–11
Men	0.52	0.16	0.0012
Body surface area	2.35	0.19	< 2 × 10^–16
Body height	0.037	0.0037	< 2 × 10^–16
Body weight	0.041	0.0035	< 2 × 10^–16
Average heart rate	− 0.011	0.0049	0.025
Myocardial thickness, LV apex
Age	0.13	0.019	6.9 × 10^–11
Men	0.35	0.12	0.0049
Body surface area	1.66	0.16	< 2 × 10^–16
Body height	0.027	0.0030	5.7 × 10^–16
Body weight	0.029	0.0029	< 2 × 10^–16
Average heart rate	− 0.0078	0.0038	0.040
Myocardial mass
Age	6.58	0.54	< 2 × 10^–16
Men	16.26	4.33	0.00024
Body surface area	78.73	3.56	< 2 × 10^–16
Body height	1.33	0.08	< 2 × 10^–16
Body weight	1.36	0.076	< 2 × 10^–16
Average heart rate	− 0.63	0.13	1.7 × 10^–6

ISSN: 1532-429X