INS and anemia (phenotype): These factors included demographics (i.e., age, race/ethnicity, insurance status, unknown diabetes type), characteristics of hospitalizations (i.e., admission type, discharge status, length of stay, prior hospitalizations, discharge status of the most recent hospital stay within the last year), labs and vitals (i.e., albumin, hematocrit, highest and lowest blood glucose measurements, blood pressure), co-existing chronic conditions (i.e., CCI score and anemia diagnosis), preadmission medication use (i.e., insulin use), and social need (i.e., former alcohol use).