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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: Medicine (Baltimore). 2011 Mar;90(2):139–145. doi: 10.1097/MD.0b013e318211106a

TABLE 2.

Hospitalization for Infection (HFI) by Medication Group

Total Medication Group*
Group 1 Group 2 Group 3
No. 20,814 11,772 13,367 3796
Patient-years 56,854 21,150 27,936 7768
Patients hospitalized for infection (%) 1465 (7.0) 519 (4.4) 774 (5.8) 229 (6.0)
Total HFI 1889 638 972 279
HFI per 100 patient-years 3.32 3.02 3.48 3.59
*

See Table 1 for description of the medication groups.