Table 2.
Usage of Cefazolin by Injury Pattern with Regards to Duration, No. (%).
| Cefazolin Usage | Open Fracturesa (N=1922) | Skin/Soft-Tissue (N=1306) |
|---|---|---|
| Total Received Cefazolin | 1825 (95) | 1054 (81) |
| 2009–2010b | ||
| Total Injuries | 401 | 306 |
| Duration of cefazolin Use | ||
| ≤48 hours | 94 (23) | 112 (37) |
| 3–5 days | 87 (22) | 92 (30) |
| >5 days | 205 (51) | 48 (16) |
| 2010–2011b | ||
| Total Injuries | 631 | 376 |
| Duration of cefazolin Use | ||
| ≤48 hours | 199 (32) | 152 (40) |
| 3–5 days | 154 (24) | 118 (31) |
| >5 days | 254 (40) | 45 (12) |
| 2011–2012b | ||
| Total Injuries | 499 | 322 |
| Duration of cefazolin Use | ||
| ≤48 hours | 173 (35) | 148 (46) |
| 3–5 days | 182 (36) | 88 (27) |
| >5 days | 115 (23) | 26 (8) |
| 2012–2013b | ||
| Total Injuries | 285 | 215 |
| Duration of cefazolin Use | ||
| ≤48 hours | 109 (38) | 88 (41) |
| 3–5 days | 82 (29) | 54 (25) |
| >5 days | 73 (26) | 20 (9) |
| 2013–2014b | ||
| Total Injuries | 106 | 87 |
| Duration of cefazolin Use | ||
| ≤48 hours | 38 (36) | 33 (38) |
| 3–5 days | 30 (28) | 21 (24) |
| >5 days | 30 (28) | 9 (10) |
a
Duration of cefazolin use is significantly different across the study years (p<0.001 for open fractures and p=0.018 for open skin and soft-tissue).
b
Time period starts in June and ends in May.