On stepwise multiple logistic regression analysis, LASreservoir (OR (95% CI) = 0.53[0.35–0.80], P < 0.01), PASP (OR (95% CI) = 1.33[1.05–1.68], P < 0.05) were the independent predictors of pulmonary edema. The gene discussed is CPB1; the disease is pulmonary edema.