Appendix Table 3.

Anemia codes displayed by the time that each code was entered.

Time frame	Iron deficiency anemia (280)	Other deficiency anemia (281)	Hereditary hemolytic anemia (282)	Acquired hemolytic anemia (283)	Aplastic and other bone marrow anemia (284)	Acute post-hemorrhagic anemia (285.1)	Anemia of chronic illness (285.2)	Anemia unspecified (285.9)
Prior to first infection treatment	9 / 99 (9.1%)	7 / 99 (7.1%)	3 / 99 (3%)	1 / 99 (1%)	4 / 99 (4%)	27 / 99 (27.3%)	9 / 99 (9.1%)	50 / 99 (50.5 %)
During infection treatment	9 / 99 (9.1%)	2 / 99 (2%)	5 / 99 (5.1%)	0 / 99 (0%)	2 / 99 (2%)	32 / 99 (32.3%)	15 / 99 (15.2%)	40 / 99 (40.4 %)
Any time prior to final infection treatment	18 / 99 (18.2 %)	9 / 99 (9.1%)	5 / 99 (5.1%)	1 / 99 (1%)	5 / 99 (5.1%)	51 / 99 (51.5%)	16 / 99 (16.2%)	73 / 99 (73.7 %)