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

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

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
Last follow up 23.6 ± 11.5 1.8 19.9–27.2 0.01