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. 2022 Sep 5;9:907086. doi: 10.3389/fsurg.2022.907086

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.