Variable | All Patients (n = 263) | NIDCM with VAs (n = 61) | NIDCM without VAs (n = 202) | t/χ2/Z | P value |
---|---|---|---|---|---|
Age (years) | 49 ± 13 | 48 ± 14 | 49 ± 13 | −0.49 | 0.62 |
Sex (male), n (%) | 177 (67%) | 38 (62%) | 139 (69%) | 0.01 | 0.93 |
BSA (m2) | 1.76 (1.62, 1.88) | 1.77 (1.47, 1.84) | 1.75 (1.59, 1.82) | −0.11 | 0.61 |
Heart rate (beata/min) | 94 ± 11 | 109 ± 12 | 78 ± 13 | 2.13 | < 0.001 |
Family history, n (%) | 51 (19%) | 9 (15%) | 42 (21%) | 0.12 | 0.08 |
Diabetes, n (%) | 31 (12%) | 6 (10%) | 25 (12%) | 0.07 | 0.73 |
Hypertension, n (%) | 68 (26%) | 15 (25%) | 53 (26%) | 0.13 | 0.69 |
GFR (mL/min) | 76 ± 7 | 74 ± 6 | 75 ± 8 | −6.24 | 0.35 |
SCr (µmol/L) | 90 ± 11 | 88 ± 6 | 89 ± 8 | −5.17 | 0.42 |
Medical treatment | Â | Â | Â | Â | Â |
β-blockers, n (%) | 195 (74%) | 48 (78%) | 147 (73%) | 2.76 | 0.04 |
Amiodarone, n (%) | 6 (2%) | 6 (10%) | — | — | — |
ACE-inhibitors/ARBs, n (%) | 203 (77%) | 48 (78%) | 155 (77%) | 0.18 | 0.52 |
MRA, n (%) | 111 (42%) | 26 (43%) | 85 (42%) | −3.74 | 0.32 |
Diuretic, n (%) | 68 (26%) | 16 (26%) | 52 (26%) | 0.36 | 0.78 |
Statin, n (%) | 103 (39%) | 24 (39%) | 79 (39%) | 0.18 | 0.69 |
CMR parameters | Â | Â | Â | Â | Â |
LVEF (%) | 41.61 ± 5.45 | 40.59 ± 7.83 | 41.75 ± 6.49 | −4.18 | 0.07 |
LVEDVI (mL/m2) | 189.55 (169.73, 212.34) | 190.65 (164.05, 212.10) | 188.40 (162.43, 210.81) | −0.76 | 0.09 |
LVESVI (mL/m2) | 121.73 (104.56, 139.25) | 125.15 (110.13, 133.35) | 121.26 (101.67, 137.76) | −2.96 | 0.12 |
SVI (mL/m2) | 40.33 ± 10.28 | 39.24 ± 9.66 | 40.19 ± 10.96 | −0.29 | 0.76 |
CI (L/min/m2) | 3.81 (2.71, 4.62) | 3.70 (2.81, 4.53) | 3.82 (2.63, 4.57) | −0.38 | 0.70 |
LGE (+), n (%) | 132 (50%) | 40 (66%) | 92 (46%) | 0.46 | 0.06 |
Percent LGE (%) | 11.26 ± 2.35 | 15.51 ± 3.30 | 9.62 ± 2.18 | 10.39 | < 0.001 |
GPRS (%) | 11.46 (9.51, 15.44) | 10.59 (8.44, 13.96) | 11.66 (9.42, 15.21) | −2.44 | 0.09 |
GPCS (%) | −9.01 (− 11.05, − 8.23) | −5.38 (− 7.50, − 4.22) | −9.22 (− 10.73, − 8.19) | −5.56 | < 0.01 |
GPLS (%) | −9.62 ± 2.32 | −9.13 ± 2.25 | −9.90 ± 2.07 | 3.64 | 0.05 |