Antibiotic and diameter (< in mm) | Number (%) of isolates | Se % | Sp % | LR+ | LR- | |
---|---|---|---|---|---|---|
Carbase+ (n = 52) | Carbase- (n = 297) | |||||
Clinical breakpoints | ||||||
IMI 24 | 22 (42.3) | 44 (14.8) | 42.3 | 85.2 | 2.84 | 0.68 |
MER 22 | 22 (42.3) | 40 (13.5) | 42.3 | 86.5 | 3.12 | 0.67 |
DOR 24 | 17 (32.7) | 22 (7.4) | 32.7 | 92.6 | 4.37 | 0.72 |
TAZ 21 | 51 (98.1) | 220 (74.1) | 98.1 | 25.9 | 1.31 | 0.11 |
TCC 24 | 51 (98.1) | 292 (98.3) | 98.1 | 1.7 | 0.99 | 1.53 |
FEP 24 | 42 (80.8) | 138 (46.5) | 80.8 | 53.5 | 1.73 | 0.37 |
Cut-offs | ||||||
MER 27 a | 40 (76.9) | 80 (27.0) | 76.9 | 73.0 | 2.83 | 0.32 |
TEM 8 a | 35 (67.3) | 12 (4.0) | 67.3 | 96.0 | 15.97 | 0.34 |
TAZ 16 b | 46 (88.5) | 105 (35.4) | 88.5 | 64.7 | 2.48 | 0.19 |
TEM 12 b | 43 (82.7) | 65 (21.9) | 82.7 | 78.1 | 3.73 | 0.23 |
MER 25 c | 32 (61.5) | 59 (19.9) | 61.5 | 80.1 | 3.07 | 0.48 |
TCC 15 d | 51 (98.1) | 227 (76.4) | 98.1 | 23.6 | 1.27 | 0.12 |
TEM 15 d | 50 (96.2) | 126 (42.4) | 96.2 | 57.6 | 2.24 | 0.08 |
FEP 26 d | 43 (82.7) | 162 (54.6) | 82.7 | 45.4 | 1.51 | 0.39 |
Combination of cut-offs | ||||||
TAZ 16 & TEM 12 b* | 39 (75.0) | 48 (16.2) | 75.0 | 58.9 | 4.62 | 0.08 |
TCC 15 & TEM 15 d | 50 (96.2) | 94 (31.7) | 96.2 | 68.3 | 3.00 | 0.07 |
TCC 15 & TEM 15 & IMI 22 d | 52 (100) | 109 (36.7) | 100 | 63.3 | 2.70 | 0.01 |
TCC 15 & TEM 15 & MER 22 d | 52 (100) | 110 (37.0) | 100 | 63.0 | 2.67 | 0.01 |
TCC 15 & TEM 15 & IMI 22 & FEP 26 d | 52 (100) | 92 (31.0) | 100 | 69.0 | 3.19 | 0.01 |
TCC 15 & TEM 15 & MER 22 & FEP 26 d | 52 (100) | 93 (31.3) | 100 | 68.7 | 3.16 | 0.01 |
Combination of cut-offs + additional tests | ||||||
TCC 15 & TEM 15 & IMI 22 & IMI 32-Clo d,e | 51 (98.1) | 81 (27.3) | 98.1 | 72.7 | 3.55 | 0.04 |
TCC 15 & TEM 15 & MER 22 & MER 32-Clo d,e | 52 (100) | 68 (22.9) | 100 | 77.1 | 4.31 | 0.01 |
TCC 15 & TEM 15 & IMI 22 & FEP 26 d & IMI 32-Clo d,e | 51 (98.1) | 71 (23.9) | 98.1 | 76.1 | 4.05 | 0.04 |
TCC 15 & TEM 15 & MER 22 & FEP 26d & MER 32-Clod,e | 52 (100) | 63 (21.2) | 100 | 78.8 | 4.65 | 0.01 |
MER 25 & TEM 11 & Rosco confirm kit c,f | 29 (55.8) | 23 (9.4) | 55.8 | 90.6 | 5.82 | 0.49 |
MER 27 & TEM 8 & Rosco confirm kit a,g | 36 (69.2) | 14 (4.7) | 69.2 | 95.3 | 14.15 | 0.33 |