Effective (percentage)

Ceftriaxone-metronidazole

Ceftriaxone-ciprofloxacin

Ceftriaxone-gentamycin

Ceftriaxone-metronidazole-gentamycin

Ceftriaxone-metronidazole-ciprofloxacin

Total

11 (35.5%)

1 (3.2%)

1 (3.2%)

16 (51.6%)

2 (6.5%)

31 (100.0%)