Table 1.

Epidemiological and clinical characteristics of the cohort

Variables	Results
Mean age, year	58.7
Female, (%)	168/314 (53.5%)
Prevalence of anemia at admission	140/314 (44.6%)
Female, (%)	73/168 (43.5%)
Male, (%)	67/146 (45.9%)
Albumin, g/dL (SD)	3.37 (0.71)
Mean admission hemoglobin, g/dL (SD)	12.3 (2.4)
Female	12.0
Male	12.6
Mean discharge hemoglobin, g/dL (SD)	11.7 (2.0)
Female	11.3
Male	12.1
Mean (median) length of stay, days	6.47 days (3 days)
30-day readmission rate, (%)	51/314 (16.2%)
Number of medical comorbidities, (%)
Zero	37/314 (11.8%)
One	79/314 (25.2%)
Two	86/314 (27.4%)
Three	67/314 (21.3%)
Four or more	45/314 (14.3%)