Table 2 Clinical background of strains exhibiting different β-lactamase phenotypes
Specimen-type | Patient category | Year of isolation | ||||||
|---|---|---|---|---|---|---|---|---|
Total | Stool | Urine | Blood | Inpatient | Outpatient | 1990s | 2000s | |
NSBL | 278 | 153 (55) | 39 (14) | 86 (31) | 82 (29) | 196 (71) | 186 (67) | 91 (33) |
IRT | 73 | 18 (25) | 38 (53) | 17 (22) | 60 (82) | 13 (18) | 28 (38) | 45 (62) |
ESBL | 247 | 65(26) | 130 (53) | 52 (21) | 170 (69) | 77 (31) | 79 (32) | 168 (68) |
CMT | 220 | 21 (10) | 163 (74) | 36 (16) | 163 (74) | 57 (26) | 62 (28) | 158 (72) |
pAmpC | 94 | 13 (14) | 68 (72) | 13 (14) | 87 (92) | 7 (8) | 12 (13) | 82 (87) |