| Size of dilated branch duct | Appearance of mural nodules (SD) | ||
| No change (SD) | Enlarged (SD) | ||
| Age (years) | 67.8 (8.8) | 69.7 (9.9) | 60.3 (12.8) |
| Male:female | 45:24 | 8:1 | 4:0 |
| Dilated branch duct (mm) | |||
| Initial size | 19.1 (6.7) | 20.3 (6.4) | 21.3 (6.3) |
| Latest size | 19.2 (6.9)*† | 33.4 (6.7* | 39.3 (17.2)† |
| Location (head:body–tail) | 42:27 | 5:4 | 2:2 |
| Initial diameter of MPD (mm) | 3.7 (1.5)‡§ | 5.7 (3.2)‡ | 7.5 (3.7)§ |
| Time of follow-up (months) | 62.1 (35.7)¶ | 64.9 (35.5) | 100.8 (52.5)¶ |
*p<0.001; †p<0.001; ‡p<0.01; §p<0.001; ¶p<0.05.
MPD, main pancreatic duct.