BioMed Research International / 2014 / Article / Tab 1

Research Article

Intra-QT Spectral Coherence as a Possible Noninvasive Marker of Sustained Ventricular Tachycardia

Table 1

General characteristics in the two study groups.

VariablesVT group
: 27
No-VT
: 97
values

Age, yrs64.3 ± 11.359.4 ± 12.4ns
M/F,25/286/11ns
BMI, kg/m225.4 ± 2.426.5 ± 3.3ns
HR, beats/min64 ± 9.563 ± 8.4 ns
SBP, mm Hg 123 ± 25 124 ± 23ns
DBP, mm Hg65 ± 1067 ± 9ns
EF, %41 ± 1038 ± 11ns
, ms401 ± 57388 ± 60ns
, ms398 ± 55 385 ± 63ns
, ms399 ± 56386 ± 62ns
, ms398 ± 56 386 ± 62 ns
, ms 312 ± 51299 ± 44 ns
, ms309 ± 49 297 ± 45ns
, ms310 ± 50297 ± 44ns
, ms309 ± 50 298 ± 42 ns
, ms 89 ± 2492 ± 37ns
, ms89 ± 2492 ± 37ns
, ms89 ± 24 92 ± 37 ns
, ms93 ± 28 96 ± 62 ns
LVEF, %41 ± 1038 ± 11ns
NYHA class, II/II10/1741/56ns
-Blockers, 20 (74%)76 (78%)ns
Furosemide10 (37%)51 (53%)ns
ACEi/sartans21 (78%)80 (82%)ns
Spironolactone10 (37%)32 (33%)ns
Amiodarone7 (26%)19 (20%)ns
Ivabradine2 (7%)9 (9%)ns
Digoxin3 (11%)11 (11%)Ns

Data are expressed as mean ± SD. VT: sustained ventricular tachycardia; M/F: male/female; BMI: body mass index; HR: heart rate; LVEF: left ventricular ejection fraction; NYHA: New York Heart Association.