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Additional file 1: Table S1. Baseline characteristics in patients by sex and in the propensity-matched population sample. Table S2. Stepwise logistic regression modeled analysis for the association of male sex with acute kidney injury in the propensity matched population. Table S3. Comparisons of 30-day, 6-month, 1-year and 48-month all-cause mortality in propensity matched male and female patients with and without AKI. Table S4. Stepwise Cox regression modeled analysis for the association of male sex with all-cause mortality after acute kidney injury occurrence during the 30-day and the 6-month follow-up periods in the the propensity-matched population sample. Figure S1. Kaplan Meier curves in propensity-matched male and female patients with and without AKI during the (A) 30-day, (b) 6-month, (C) 1-year and (D) 48-month follow-up periods.