Table 2.

Quantitative parameters in the patient groups

				Subpulmonary pressure overloaded RV
Parameter	Reference value	ccTGA	TGA	Total	TOF	Other*
QRS duration (s)	<0.100†	0.116 (0.033)	0.103 (0.04)	0.139 (0.036)	0.162 (0.019)	0.117 (0.036)
QRS dispersion (s)	0.023 (0.005)†	0.047 (0.02)	0.038 (0.016)	0.043 (0.018)	0.052 (0.019)	0.034 (0.012)
Change in QRS duration (s)	0	0.017 (0.015)	0.006 (0.013)	0.005 (0.009)	0.006 (0.010)	0.005 (0.009)
Change in QRS dispersion (s)	0	0.007 (0.024)	0.013 (0.014)	0.015 (0.018)	0.018 (0.018)	0.015 (0.013)
RVEDV (ml)		141 (51)	127 (33)	164 (75)	205 (84)	126 (39)
RV mass (g)	23–68†	139 (44)	152 (38)	83 (35)	83 (33)	82 (38)
BNP (pmol/l)	2.3‡	8.96 (6.87)	5.94 (4.03)	6.09 (5.41)	7.41 (4.34)	4.51 (6.34)

Values are mean (SD).

BNP, brain natriuretic peptide; EDV, end diastolic volume.

*Nine patients with residual pulmonary valve stenosis, four with peripheral pulmonary stenosis, and one with primary pulmonary hypertension;

†Lentner C, Geigy Scientific Tables, 5: Heart and Circulation. Basel: Ciba-Geigy; 1990:63–6, 148–67. ‡Data from reference 10.