Surgical strategies protecting against right ventricular dilatation following tetralogy of Fallot repair

Table 3 Comparison of the predischarge and last follow up RVOT pressure gradient in (mmHg) to the preoperative measurement

Timing	Mean ± SD	Standard Error	95% confidence interval	p- value
Pre-operative	80.9 ± 7.7	1.14	78.6–83.2	< 0.0001
Predischarge	28.8 ± 7.2	1.07	26.6–30.9	< 0.0001
Last follow up	23.6 ± 11.5	1.8	19.9–27.2	0.01

ISSN: 1749-8090