Clinical features of patients with discrepant results
| Case | Xpert (Ct E/N2) | STANDARD (Ct E/RdRp) | Sex/age (yr) | Symptom | Co-morbidity | COVID-19 status |
|---|---|---|---|---|---|---|
| Case 1 | Negative | Positive (32.56/33.60) | M/75 | Fever | Psoas muscle hematoma, pneumonia, malnutrition, pressure sore | Previous diagnosis (20 days ago) |
| Case 2 | Negative | Positive (34.83/34.47) | F/33 | No | Normal pregnancy | Previous diagnosis (28 days ago) |
| Case 3 | Negative | Positive (25.98/25.48) | F/24 | Cough, fever | No | First diagnosis |
| Case 4 | Positive (39.6/42.0) | Negative | M/51 | Cough, stuffy nose | Carcinoma |
No infection; negative in F/U (3 times) |
The instruments used were from the following companies: Xpert Xpress SARS-CoV-2 (Cepheid, Sunnyvale, CA, USA) and STANDARD M nCoV real-time detection test (SD BIOSENSOR, Suwon, Korea).
Abbreviations: Ct E/N2, cycle threshold value of