Table 3. Serum NDKA levels in the screening cohort according to the characteristics of adenomas.
| Variable | N | Median (pg/mL) | IQR (pg/mL) | P |
|---|---|---|---|---|
| Number | ||||
| 1–2 | 141 | 60.17 | 45.94–71.36 | 0.212 |
| 3 or more | 32 | 63.17 | 44.59–90.66 | |
| Size | ||||
| <1 cm | 126 | 58.32 | 44.67–71.70 | 0.035 |
| ≥1 cm | 47 | 68.32 | 48.09–83.39 | |
| Histology | ||||
| Tubular | 146 | 59.04 | 44.99–73.06 | 0.065 |
| Villous or tubulovillous | 27 | 66.93 | 52.09–84.76 | |
| Location | ||||
| Distal | 132 | 60.26 | 45.58–73.45 | 0.648 |
| Only proximal | 41 | 62.47 | 44.15–73.83 | |
IQR: interquartile range; p values correspond to Mann-Whitney U test.