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Patient sample characteristics.
| Gender |
Female | 18 |
|---|---|---|
| Male | 13 | |
| Patient age | median (IQR) | 46 (36;57) |
| Sample composition* | total | |
| Negative (<3 BAU/ml) | 1 | |
| Borderline (6–16 BAU/ml) | 17 | |
| positive (30–100 BAU/ml) | 4 | |
| Highly positive (> 100 BAU/ml) | 9 | |
| Total | 31 |
Abbreviations: IQR, interquartile range.
Sample selection based on the Abbott test. Antibody levels in a range from 6 to 16 BAU/ml around the off value of the manufacturer (7.1 BAU/ml) were considered borderline in our setting.
