Estimation of the mean and median survival based on the presence of anemia at admission.

Table 4: Estimation of the mean and median survival based on the presence of anemia at admission.

Anemia	Mean				Median
	Estimate	Std. error	95% Confidence interval		Estimate	Std. Error	95% Confidence interval
	Estimate	Std. error	Lower bound	Upper bound	Estimate	Std. Error	Lower bound	Upper bound
Yes	17.124	0.819	15.518	18.730	12.000	0.465	11.089	12.911
No	25.151	1.455	22.300	28.002	18.000	3.179	11.769	24.231
Overall	19.815	0.754	18.338	21.293	14.000	0.616	12.792	15.208