ALB and nosocomial infection: In the logistic regression model, PLR was a risk factor for the nosocomial infections in patients treated with VA-ECMO outcome (odds ratio [OR] 5.478; 95% confidence interval [95%CI] 2.117–14.176; P < 0.001) after adjustment for sex, age, hemoglobin, albumin, duration of VA-ECMO treatment (Table 4).