Table 2.

Flow velocities (cm/sec) in the two groups just before ECP was started (Time PRE-ECP), at 10 minutes into ECP (Time 10 min), 40 minutes into ECP (Time 40 min), and immediately after stopping ECP treatment (Time POST-ECP).

				PSV						EDV
	N	Min	Q1	Median	Q3	Max	p-value	Min	Q1	Median	Q3	Max	p-value
Time PRE-ECP
S	10	30	38.25	45.2	80.5	171	0.4833	0	14.775	20	34.175	56	0.6864
T	13	20	43	56.6	83.9	130.3		10	17	24	37.1	56.4
Overall	23	20	41	55	85.05	171		0	16.5	20	38	56.4
Time 10 min
S	9	26	44	60	81	202	0.8078	13	21	24	43.3	81	0.3549
T	12	20	43.9	55.6	70.3	153.4		10	17.275	21	34.375	55
Overall	21	20	44	59.2	77.2	202		10	20	22	37.3	81
Time 40 min
S	10	35.7	45	55.5	82.85	216	0.5306	12	19.25	22.6	29.775	99	0.468
T	12	20	38.25	49.45	68.875	165		10	14.75	17.5	37.425	55
Overall	22	20	43.8	50.5	82.85	216		10	15.25	21	34.35	99
Time POST-ECP
S	10	29	41.4	65.5	75.625	230	0.8951	11	21	30.5	43.4	160	0.3555
T	12	24	46.5	60.75	72.4	143.3		12	15.75	23.5	33.2	59.3
Overall	22	24	42	60.75	75.625	230		11	16.775	25.05	38.225	160

S = sham-pressure group; T = full-pressure group; PSV = peak systolic velocity; EDV = end-diastolic velocity.