Table 1.
Study variables significantly associated with malignancy
| VARIABLE | INITIAL VISIT |
FINAL VISIT |
||||
|---|---|---|---|---|---|---|
| Malignancy (%) | Control (%) | P value | Malignancy (%) | Control (%) | P value | |
| Cyst size | 16 | 451 | 0.003* | 13 | 344 | <0.001* |
| Mean (mm) ± SD | 27.7 ± 16.0 | 17.5 ± 12.4 | 32.2 ± 10.1 | 17.2 ± 10.4 | ||
| Duct involvement | 19 | 469 | <0.001¥ | 15 | 370 | 0.001¤ |
| Main/Mixed duct Branch duct | 9 (47.4%) 10 (52.6%) | 43 (9.2%) 426 (90.8%) | 6 (40.0%) 9 (60.0%) | 30 (8.2%) 340 (91.9%) | ||
| Mass-nodule | 19 | 472 | 0.14¤ | 16 | 429 | <0.001¥ |
| Yes | 3 (15.8%) | 31 (6.6%) | 5 (31.3%) | 14 (3.2%) | ||
| Symptoms | 19 | 473 | <0.001¤ | 17 | 463 | <0.001¥ |
| Yes | 15 (79.0%) | 167 (35.3%) | 8 (47.1%) | 45 (9.7%) | ||
| Steatorrhea | 19 | 476 | 0.03¤ | 19 | 476 | 0.04¤ |
| Yes | 17 (89.5%) | 470 (98.7%) | 1 (5.3%) | 0 (0%) | ||
| Diabetes mellitus | 19 | 476 | <0.001¥ | 19 | 476 | <0.001¥ |
| Yes | 7 (36.8%) | 50 (10.5%) | 6 (31.6%) | 33 (6.9%) | ||
*Wilcoxon rank-sum test, ¥Chi-square test, ¤Fisher’s exact test