Table 1. Histology of media cell nuclei of intramyocardial arteries of the hearts with acute volume-overload (AVO) at one and three days compared with controls.

	Controls	AVO day 1	Mann-Whitney U test p-value	AVO day 3	Mann-Whitney U-test p-value	Kruskall-Wallis test p-value
Right ventricle
Normal nuclei	28.60 ± 3.28	33.09 ± 3.25	0.589	43.00 ± 8.82	0.197	0.206
Ischemic nuclei	1.60 ± 1.03	3.26 ± 0.64	0.170	3.33 ± 0.62	0.153	0.256
Vacuolated nuclei	3.60 ± 1.25	4.48 ± 1.10	0.831	0.67 ± 0.42	0.039	0.057
Left ventricle
Normal nuclei	42.40 ± 7.31	48.27 ± 3.83	0.435	60.43 ± 4.71	0.166	0.125
Ischemic nuclei	1.60 ± 0.25	4.45 ± 1.09	0.120	6.43 ± 1.25	0.004	0.016
Vacuolated nuclei	6.20 ± 2.15	5.68 ± 2.37	0.208	0.71 ± 0.29	0.012	0.040
Septum
Normal nuclei	28.60 ± 5.04	38.78 ± 4.54	0.332	43.80 ± 6.83	0.117	0.387
Ischemic nuclei	0.80 ± 0.37	5.89 ± 1.12	0.002	5.80 ± 1.07	0.009	0.008
Vacuolated nuclei	2.80 ± 1.50	5.94 ± 1.54	0.306	0.80 ± 0.37	0.386	0.062

Mann-Whitney U-test and Kruskall-Wallis test p-values. Values are expressed as mean ± standard error of mean.

AVO, acute volume-overload.