Table 2.
Proportion of patients receiving each of the 17 most common first antibiotic regimens
| Overall | Cellulitis and Gangrene |
Cellulitis and Osteomyelitis |
Cellulitis and Ulcer |
Cellulitis Only | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (n = 2248) | (n = 894) | (n = 503) | (n = 644) | (n = 207) | ||||||
| Observed Proportion (Range*) % | ||||||||||
| Piperacillin-tazobactam | 16.4 | (22.8) | 20.1 | (23.9) | 14.7 | (24.2) | 14.9 | (14.2) | 8.7 | (11.5) |
| Piperacillin-tazobactam, Vancomycin | 15.7 | (36.1) | 16.1 | (33.9) | 18.1 | (58.3) | 15.4 | (21.8) | 9.7 | (11.3) |
| Ampicillin-sulbactam | 10.8 | (50.5) | 11.3 | (42.5) | 10.7 | (48.8) | 9.5 | (30.7) | 12.6 | (21.4) |
| Vancomycin | 6.9 | (13.5) | 6.2 | (6.1) | 9.1 | (21.1) | 5.7 | (7.0) | 7.7 | (13.8) |
| Cefazolin | 4.2 | (12.6) | 3.4 | (9.2) | 3.2 | (19.7) | 5.6 | (14.4) | 6.3 | (12.1) |
| Amoxicillin-clavulanate§ | 2.0 | (3.3) | 1.5 | (4.1) | 0.6 | (10.9) | 3.7 | (7.3) | 2.4 | ( - ) |
| Ticarcillin-clavulanate | 2.0 | (48.6) | 1.9 | (41.6) | 1.6 | (40.6) | 2.5 | (43.1) | 1.9 | ( - ) |
| Cephalexin§ | 1.6 | (7.3) | 0.8 | (4.6) | 0.8 | (26.2) | 2.2 | (10.1) | 4.8 | (12.7) |
| Ertapenem | 1.4 | (14.9) | 1.0 | (11.5) | 2.6 | (19.9) | 0.5 | (12.1) | 1.0 | ( - ) |
| Ciprofloxacin§ | 1.3 | (2.5) | 1.2 | (6.1) | 1.4 | (6.1) | 1.6 | (7.9) | 0.5 | ( - ) |
| Ampicillin-sulbactam, vancomycin | 1.2 | (3.0) | 1.2 | (2.7) | 1.4 | (17.4) | 1.1 | (3.7) | 1.0 | ( - ) |
| Imipenem | 1.2 | (4.3) | 2.1 | (11.5) | 0.8 | (24.9) | 0.3 | ( - ) | 1.0 | ( - ) |
| Ceftriaxone | 1.2 | (3.8) | 0.8 | (3.7) | 1.4 | (6.2) | 1.6 | (6.9) | 1.0 | ( - ) |
| Ciprofloxacin, clindamycin | 1.1 | (12.7) | 1.5 | (21.1) | 0.6 | (15.6) | 0.8 | (2.9) | 1.4 | ( - ) |
| Clindamycin | 1.1 | (3.6) | 1.1 | (7.2) | 0.8 | (9.7) | 0.8 | (10.8) | 2.4 | ( - ) |
| Gatifloxacin§ | 1.1 | (4.1) | 0.4 | (8.1) | 1.2 | (3.9) | 1.9 | (23.7) | 1.0 | ( - ) |
| Nafcillin | 1.1 | (2.8) | 0.6 | (6.5) | 1.4 | (7.9) | 1.1 | (25.1) | 2.4 | ( - ) |
* Statistic uses shrunken hospital rates (see methods)
§ Given orally
( - ) No range