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Test power of serum SA, EA-IgA and VCA-IgA in nasopharynx cancer diagnosis.
| Index | Positive | Sensitivity (%) | Specificity (%) | Omission diagnosis (%) | Misdiagnosis (%) |
|---|---|---|---|---|---|
| SA | ≥650 mg/L | 30.95 (13/42) | 83.33 (35/42) | 69.05 (29/42) | 16.67 (7/42) |
| VCA-IgA | >1.1 | 76.19 (32/42) | 92.86 (39/42) | 23.81 (10/42) | 7.14 (3/42) |
| EA-IgA | >1.1 | 57.14 (24/42) | 95.24 (40/42) | 42.86 (18/42) | 4.76 (2/42) |
| χ2 | – | 17.4920 | 3.8684 | 17.4920 | 3.8684 |
| P | – | 0.00 | 0.14 | 0.00 | 0.14 |
