Table 3.

Comparisons of Baseline and Postexercise Myocardial Contractile Parameters

	E/e′ >15, n = 19	E/e′ 10–15, n = 25	E/e′ <10, n = 26	P by ANOVA
Heart rate, 1/min
Baseline	89 ± 22	77 ± 17	84 ± 16	0.120
Postexercise	118 ± 22	106 ± 20	111 ± 22	0.245
Inter‐V delay, ms
Baseline	37 ± 19	25 ± 22	22 ± 22	0.062
Postexercise	20 ± 17	23 ± 19	21 ± 18	0.860
Mean Sm, cm/s
Baseline	4.3 ± 1.1	5.2 ± 1.2a	5.7 ± 1.1a	<0.001
Postexercise	4.5 ± 1.1	5.5 ± 1.5a	6.3 ± 1.5a	<0.001
SD Sm, cm/s
Baseline	1.3 ± 0.5	1.1 ± 0.4	1.3 ± 0.6	0.453
Postexercise	1.0 ± 0.3	1.1 ± 0.4	1.3 ± 0.6a	0.045
Mean Ts, ms
Baseline	206 ± 27	209 ± 25	189 ± 25b	0.019
Postexercise	202 ± 26	207 ± 33	193 ± 28	0.222
SD Ts, ms
Baseline	30 ± 19	32 ± 18	22 ± 16	0.099
Postexercise	35 ± 12	39 ± 17	24 ± 18a , b	0.004

Abbreviations: ANOVA, analysis of variance; e′, annular early diastolic velocity; Inter‐V, interventricular; LVEF, left ventricular ejection fraction; SD, standard deviation; Sm, systolic myocardial velocity; Ts, electromechanical time delay.

^a P < 0.05, E/e′ <10 or 10–15 group vs >15 group.

^b P < 0.05, E/e′ <10 group vs 10–15 group.