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Comparison of clarithromycin susceptibility testing by E-test, PCR and real-time PCR
| Gastric biopsy | Gastric juice | No. of gastric specimens (%) | ||
|---|---|---|---|---|
| E -test | PCR | Real-time PCR | Real-time PCR | |
| S | S | S | S | 40 (38.10%) |
| R | R | R | R | 38 (36.19%) |
| S | H | H | H | 1 (0.01%) |
| R | H | H | H | 2 (0.02%) |
| R | S | S | S | 12 (11.43%) |
| S | R | R | R | 1 (0.01%) |
| — | R | R | R | 1 (0.01%) |
| — | — | R | R | 3 (0.03%) |
| — | — | — | R | 2 (0.03%) |
| — | S | S | S | 2 (0.02%) |
| — | — | S | S | 2 (0.01%) |
| — | — | — | S | 1 (0.01%) |
| Total | 105 | |||
S, susceptible; R, resistant; H, heterogeneous.
