BioMed Research International / 2014 / Article / Tab 4

Research Article

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

Table 4

Short-term RR spectral data in the two study groups.

VariablesVT group
: 27
No-VT
: 97
P values

TP, ms2733 715 ns
VLF, ms2341 367 ns
LF, ms2101 143 ns
HF, ms285 79 ns
LF/HF1.21 1.64 0.045

Values are expressed as median [interquartile range 75th percentile–25th percentile]. TP: total power; VLF: very-low-frequency power; LF: low-frequency power; HF: high-frequency power (Mann-Whitney U test).