Table 2.
Antimicrobial | Use (Mean [SD]) (DOT/1000) |
Months of Post-ASP Observation | P Valuec | |
---|---|---|---|---|
Pre-ASPa | Post-ASPb | |||
All | 703 (42.1) | 577 (45.6) | 28 | <.001 |
Antibiotics | 639 (38.1) | 527 (43.9) | 22 | <.001 |
Antifungals | 35 (7.0) | 31 (10.0) | 22 | .077 |
Antivirals | 28 (6.0) | 21 (4.0) | 22 | <.001 |
Abbreviations: ASP, antimicrobial stewardship program; DOT/1000, days of therapy per 1000 patient-days; SD, standard deviation.
aThe pre-ASP period was from January 2009 to February 2012 (38 months).
bThe post-ASP period began in March 2012, and the number of months observed varied according to parameter.
cWilcoxon rank-sum test.