Demographic data and results of US image analysisa
| Total (N = 412) | FNA (n = 155) | CNB (n = 257) | P Value | |
|---|---|---|---|---|
| Age (yr)b | 53 ± 16 | 55 ± 15 | 52 ± 16 | .084 |
| Size (cm)b | 2.2 ± 1.1 | 2.2 ± 1.2 | 2.2 ± 1.1 | .694 |
| Sex | .374 | |||
| Male | 217 | 86 (55) | 131 (51) | |
| Female | 195 | 69 (45) | 126 (49) | |
| Location | .637 | |||
| Parotid gland | 311 | 119 (77) | 192 (75) | |
| Submandibular gland | 101 | 36 (23) | 65 (25) | |
| No. of needle passes | .052 | |||
| 1 | 267 | 112 (72) | 155 (60) | |
| 2 | 132 | 37 (24) | 95 (37) | |
| 3 | 13 | 6 (4) | 7 (3) |