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Arterial lactate (in millimoles per liter) on admission versus the weighted sum of the initial levels of C3a, elastase, and lactoferrin [0.142 × (log10C3a) + 0.280 × (log10elastase) + 0.257 × (log10lactoferrin)] in surviving (open circles) and nonsurviving (solid circles) patients. The line represents the least-squares regression line for all data points (r = 0.78; P < 0.001).
