Table III.
Comparison of diagnostic values of FNA and ultrasound combined with FNA in group A [n (%)].
| Diagnosis | FNA | Ultrasound combined with FNA | χ2 value | P-value |
|---|---|---|---|---|
| Sensitivity | 56 (93.33) | 60 (100.00) | 4.138 | 0.042 |
| 4 (6.67) | 0 | |||
| Specificity | 5 (71.43) | 2 (28.57) | 2.571 | 0.109 |
| 2 (28.57) | 5 (71.43) | |||
| Accuracy | 61 (91.04) | 62 (92.54) | 0.099 | 0.753 |
| 6 (8.95) | 5 (7.46) | |||
| Positive predictive value | 56 (96.55) | 60 (92.31) | 1.029 | 0.311 |
| 2 (3.45) | 5 (7.69) | |||
| Negative predictive value | 5 (55.56) | 2 (100.00) | 1.397 | 0.491 |
| 4 (44.44) | 0 |
FNA, fine-needle aspiration.