From: Abdominal surgical site infections: incidence and risk factors at an Iranian teaching hospital
variables SSI | cefazolin | ceftriaxone | Metronidazole | cephalothin | Gentimicine | Ampicillin | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | A | NA | A | NA | A | NA | A | NA | A | NA | A | NA | ||||||||||||
A | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % | N | % |
positive | 42 | 12.1 | 97 | 21.3 | 73 | 24.5 | 66 | 13.1 | 79 | 24 | 60 | 12.7 | 19 | 17 | 120 | 17.4 | 70 | 30.4 | 69 | 12.1 | 5 | 50 | 134 | 16.9 |
negative | 305 | 87.9 | 358 | 78.7 | 225 | 75.5 | 438 | 86.9 | 250 | 76 | 413 | 87.3 | 93 | 83 | 570 | 82.6 | 160 | 69.6 | 503 | 87.9 | 5 | 50 | 658 | 83.1 |
total | 347 | 100 | 455 | 100 | 298 | 100 | 504 | 100 | 329 | 100 | 473 | 100 | 112 | 100 | 690 | 100 | 230 | 100 | 572 | 100 | 10 | 100 | 792 | 100 |
P-Value | P = 0.001 | P < 0.001 | P < 0.001 | P = 1.000 | P < 0.001 | P = 0.018 |