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Difference in 90-day without transplant survival (men – women) with marginal 95% confidence intervals: (a) by MELD-Na, (b) by MELD-Na for men and MELD-Na-MDRD for women, (c) MELD-GRAIL-Na, and (d) by MELD-Na for men and MELD-Na-Shift for women. Scores below 15 were omitted because those candidates are rarely transplanted and because survival differences were always negligible.
