Plasmid and chromosomally mediated resistance among gonococci isolated in London between 1997–2000
| Number of isolates (%) | |||||
|---|---|---|---|---|---|
| Year | Total isolates retrieved | PPNG | PP/TRNG | CMRNG | Total penicillin resistance |
| PPNG = penicillinase producing, tetracycline MIC <16 mg/l; PP/TRNG = penicillinase producing, tetracycline MIC ≥16 mg/l; CMRNG = non-penicillinase producing, penicillin MIC ≥1 mg/l, tetracycline MIC 2–8 mg/l. | |||||
| 1997 | 1133 (98) | 6 (0.5) | 15 (1.3) | 86 (7.6) | 107 (9.4) |
| 1998 | 1203 (93) | 10 (0.8) | 12 (1.0) | 39 (3.2) | 61 (5.1) |
| 1999 | 1523 (98) | 14 (0.9) | 44 (2.9) | 23 (1.5) | 81 (5.3) |
| 2000 | 1979 (98) | 64 (3.2) | 51 (2.6) | 58 (2.9) | 173 (8.7) |