Table 1
Interpretation of susceptibility (μg/ml)
Antibiotic
Sensitive
Intermediate
Resistant
Penicillin
0.03
0.06–0.5
⩾1
Spectinomycin
⩽32
–
⩾64
Ceftriaxone
⩽0.03
0.06–0.5
⩾1
Ciprofloxacin
⩽0.03
0.06–0.5
⩾1