Antibiotic susceptibility of gram-positive bacteria, 2002–2007 (n=551)
| Antibiotic | Proportion of isolates susceptible (number tested) | ||||||
| 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2002–2007 | |
| Penicillin | 57% (74) | 42% (85) | 55% (106) | 55% (149) | 47% (51) | 62% (26) | 53% (491) |
| Erythromycin | 86% (74) | 81% (86) | 69% (108) | 67% (163) | 81% (52) | 78% (27) | 75% (510) |
| Chloramphenicol | 84% (74) | 84% (86) | 77% (109) | 73% (167) | 77% (53) | 74% (27) | 78% (516) |
| Co-trimoxazole | 40% (75) | 45% (84) | 46% (105) | 47% (165) | 40% (53) | 22% (27) | 43% (509) |
| Gentamicin | 55% (49) | 100% (16) | 77% (35) | 73% (49) | 93% (14) | 100% (3) | 73% (166) |
| Ceftriaxone | 94% (18) | 91% (74) | 93% (69) | 94% (109) | 97% (36) | 87% (23) | 93% (329) |
| Tetracycline | 40% (75) | 47% (86) | 31% (110) | 35% (165) | 38% (53) | 52% (27) | 38% (516) |
| First-line therapy (penicillin and gentamicin) | 88% (75) | 60% (86) | 78% (107) | 74% (155) | 71% (51) | 73% (26) | 74% (500) |