Table 2.

Disk diffusion resistance characteristics.

Antibiotics	Breakpoint in mm	ZOIa range in mm	Resistant, n (%)	Intermediate, n (%)	Sensitive, n (%)
Cefixime (n=395)	Sb≥31	28-60	0 (0)	1c (0.25)	394 (99.7)
Ceftriaxone (n=397)	S≥35	28-62	2d (0.5)	2d (0.5)	393 (99.0)
Ciprofloxacin (n=399)	≥41	0-27	399 (100)	0 (0)	0 (0)
Penicillin G (n=399)	≥47	10-52	364 (91.2)	34 (8.5)	1 (0.25)
Spectinomycin (n=34)	≥18	18-34	0 (0)	1 (2.9)	33 (97.1)
Tetracycline (n=399)	≥38	6-40	397 (99.5)	1 (0.25)	1(0.25)

^aZOI: zone of inhibition.

^bS: sensitive.

^cZOI of 28 mm.

^d2 had ZOI of 28 mm, 1 had ZOI of 32 mm, and 1 had ZOI of 34 mm.