Table 4.

Presence of Non-sarcomere or Sarcomere Gene Mutations.

Characteristic	Sarcomere gene mutation (N=39)	Non-sarcomere gene mutation (N=47)	P Value
Age – yr	26±14	26±18	0.90
Male sex — no. (%)	31 (79)	33 (70)	0.33
LV volume parameters
LVEF <50% – no. (%)	15 (38)	11 (23)	0.13
LVEF – %	46±18	52±13	0.07
LVEDVI – ml/m2	120±54	107±38	0.21
LVESVI – ml/m2	72±56	54±37	0.09
Distribution of non-compaction
Number of affected segments	8.8±3.1	7.6±2.9	0.07
Inter-ventricular septum affected – no. (%)	14 (36)	6 (13)	0.01
Basal segments affected – no. (%)	14 (36)	10 (21)	0.13
NC/C ratio	2.7±0.9	2.5±0.8	0.30
Fulfilled CMR criteria for LVNC – no. (%)	27 (69)	27 (57)	0.26
Phenotype: LVNC+ DCM+	11 (28)	8 (17)	0.21
Phenotype: LVNC+ DCM-	16 (41)	19 (40)	0.96
Presence of LGE – no. (%)	12 (31)	3 (6)	0.004

Multiple family members and subjects with simultaneous presence of mutations in both non-sarcomere and sarcomere genes were excluded. Abbreviations as in Table 1