TABLE 1.
Case Demographics and Fine‐Needle Aspiration Sample Preparation
| Institution | Case No. | Age (Range), y | Sex: Male/Female | Puncture Site: P/SM/O | Pap | Romanowsky | LBC |
|---|---|---|---|---|---|---|---|
| 1 | 331 | 54.8 (0‐96) | 163/168 | 257/70/4 | Yes | Yes | |
| 2 | 121 | 57.1 (15‐90) | 68/53 | 104/17/0 | Yes | Yes | Yes |
| 3 | 44 | 62.0 (22‐92) | 19/25 | 32/8/4 | Yes | Yes | |
| 4 | 72 | 53,9 (11‐91) | 37/35 | 43/12/17 | Yes | Yes | Yes |
| 5 | 165 | NA | NA | NA | Yes | Yes | |
| 6 | 142 | 50.2 (14‐85) | 65/77 | 115/27/0 | Yes | Yes | |
| 7 | 107 | 61.7 (23‐87) | 62/45 | 87/16/4 | Yes | Yes | |
| 8 | 53 | 63.7 (25‐92) | 28/25 | 43/10/0 | Yes | Yes | |
| 9 | 111 | 61.0 (16‐89) | 60/51 | 80/26/5 | Yes | Yes | |
| 10 | 216 | 52.4 (11‐90) | 98/118 | 188/27/1 | Yes | ||
| 11 | 146 | 57.6 (23‐87) | 71/75 | 117/27/2 | Yes | ||
| 12 | 100 | 61.5 (24‐88) | 57/43 | 100/0/0 | Yes | Yes | |
| Total | 1608 | 56.4 (0‐96) | 728/715 | 1166/240/37 | |||
| Ratio, 1.02:1.00 | 80.8%/16.6%/2.6% |
Abbreviations: LBC, liquid‐based cytology; NA, not available; O, others; P, parotid gland; Pap, Papanicolaou staining; SM, submandibular gland.