TABLE 3.
Characteristics of included cases and controls
| Variables | Controls (n = 68) | Cases (n = 71) | P‐value |
|---|---|---|---|
| Center of inclusion, n (%) | |||
| Albert Schweitzer | 6 (9) | 6 (9) | n.s. |
| Reinier de Graaf | 12 (18) | 15 (22) | |
| Erasmus MC | 28 (41) | 28 (39) | |
| Haga Hospital | 3 (4) | 3 (4) | |
| Ijsselland Hospital | 6 (9) | 6 (9) | |
| Maasstad Hospital | 6 (9) | 6 (9) | |
| Sint Franciscus Hospital | 7 (10) | 7 (10) | |
| Target lesion location, n (%) | |||
| Head | 39 (57) | 34 (48) | <.01 |
| Uncinate process | 5 (7) | 6 (9) | |
| Neck | 9 (13) | 4 (6) | |
| Corpus | 9 (13) | 14 (20) | |
| Tail | 0 (0) | 13 (18) | |
| Missing | 6 (8) | 0 (0) | |
| Target lesion size (mm), mean ± SD | 28.7 ± 9.63 | 31.0 ± 1.37 | n.s. |
| FNA needle size, n (%) | |||
| 19‐gauge | 3 (6) | 1 (1) | .02 |
| 22‐gauge | 31 (57) | 27 (38) | |
| 25‐gauge | 20 (37) | 43 (61) | |
| Number of passes, median (IQR) | 3.00 (2.00‐3.00) | 3.00 (2.00–3.00) | n.s. |