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IgM antibody detection results for the 1,009 cases tested using the Trustline kit
| Case group | Trustline kit | Total | |
|---|---|---|---|
| Positive | Negative | ||
| Case group | 30 | 598 | 628 |
| Control group | 5 | 376 | 381 |
| Total | 35 | 974 | 1,009 |
The χ2 test was used to analyze the IgM antibody-positive rate between the case and control groups, χ2 = 8.50, p = 0.004, p < 0.05
