Table IV.

Correlation between bipolar voltage and changes of myocardial ischemia

Segment	Rest SPECT		Intragroup p-value	Stress SPECT		Intragroup p-value
	Group 1 (BV < 3.62 mV) RD of myocardial ischemia (%)	Group 2 (BV ≥ 3.62 mV) RD of myocardial ischemia (%)		Group 1 (BV < 3.62 mV) RD of myocardial ischemia (%)	Group 2 (BV ≥ 3.62 mV) RD of myocardial ischemia (%)
Anterobasal	No data	100.00 ±n/a	0.99	80.95 ±32.99	92.15 ±13.58	1
Basoseptal	100.0 ±n/a	100.00 ±n/a	1.0	No data	88.33 ±20.20	1
Posterobasal	–157.96 ±375.66	–99.83 ±328.31	0.6	–0.20 ±92.40	42.09 ±79.39	0.7
Basolateral	43.35 ±49.60	–73.26 ±123.48	0.6	–89.50 ±244.81	29.94 ±35.42	0,7
Midanterior	5.64 ±57.12	–105.81 ±199.59	0.2	24.31 ±53.01	–131.19 ±200.16	0.7
Midseptal	40.35 ±40.84	–11.49 ±145.93	0.9	7.41 ±60.97	–64.10 ±46.48	0.3
Midposterior	–19.64 ±25.24	–30.95 ±153.58	0.1	19.90 ±77.77	19.79 ±101.37	0.2
Midlateral	–10.59 ±68.90	–19.73 ±215.42	0.6	34.93 ±55.96	28.06 ±83.17	0.9
Apex	23.95 ±66.85	–31.90 ±60.15	0.5	0.66 ±63.99	–36.39 ±38.94	0.7

Data presented as mean ± SD. BV – bipolar voltage, n/a – not available, RD – relative difference.