Table 3.
Comparison between different capillary sampling needles and aspiration methods in terms of cytopathological satisfaction of thyroid fine-needle aspiration biopsy (FNAB).
| Pathological results | Group 1 | Group 2 | Group 3 | Chi-square value | P value |
|---|---|---|---|---|---|
| Satisfactory puncture results | 63 | 35 | 186 | 21.04 | <0.001 |
| Unsatisfactory puncture results | 22 | 15 | 18 |
Group 1: Vacuum aspiration with 22G injection needle; Group 2: Capillary sampling with 22G biopsy needle; Group 3: Capillary sampling with 25G biopsy needle.