Table 2.
Trends in prevalence of antibiotic use by year and indication; OPBG, 2008–2016
| 2008 (N = 379) | 2009 (N = 267) | 2010 (N = 320) | 2011 (N = 320) | 2012 (N = 353) | 2013 (N = 344) | 2014 (N = 333) | 2015 (N = 368) | 2016 (N = 331) | Total (N = 3015) | P-value for trend | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||
| Patients with antibiotic | 159 (42.0) | 123 (46.1) | 170 (53.1) | 160 (50.0) | 190 (53.8) | 174 (50.6) | 165 (49.5) | 189 (51.4) | 186 (56.2) | 1516 (50.3) | 0.001 |
| Indication for antibiotic use | |||||||||||
| CAIsa | 50 (13.2) | 30 (11.2) | 40 (12.5) | 54 (16.1) | 49 (13.9) | 41 (11.9) | 28 (8.4) | 45 (12.2) | 41 (12.4) | 378 (12.5) | 0.3 |
| HAIsb | 37 (9.8) | 35 (13.1) | 39 (12.2) | 42 (13.1) | 36 (10.2) | 28 (8.1) | 38 (11.4) | 33 (9.0) | 38 (11.5) | 326 (10.8) | 0.4 |
| Surgical prophylaxis | 52 (13.7) | 35 (13.1) | 52 (16.3) | 30 (9.4) | 46 (13.0) | 47 (13.7) | 26 (7.8) | 39 (10.6) | 39 (11.8) | 366 (12.1) | 0.04 |
| Medical prophylaxis | 23 (6.1) | 26 (9.7) | 56 (17.5) | 39 (12.2) | 65 (18.4) | 61 (17.7) | 81 (24.3) | 84 (22.8) | 80 (24.2) | 515 (17.1) | < 0.001 |
aCAIs Community-acquired infections, bHAIs Hospital-acquired infections