Table 2. Demographic, clinical and cyst characteristics of the study cohorts based on the mucinous classification.
| Surgical cohort | Clinical cohort | ||||||
| Total | Mucinous | Non-mucinous | p | Mucinous | Non-mucinous | p | |
| Number (n) | 943 | 108 | 39 | 539 | 257 | ||
| Mean age (range), years | 66.4 (17 – 95) | 61.9 (20 – 89) | 56.4 (27 – 77) | P = 0.053 | 70.3 (17 – 95) | 61.2 (23 – 88) | P = 0.0001 |
| Gender, male/female | 384/559 | 36/72 | 17/22 | P = 0.68 | 222/317 | 109/148 | P = 0.8 |
| Symptomatic 1 , n (%) | 524 (56.2) | 70 (64.8) | 21 (53.8) | P = 0.42 | 296 (54.9) | 143 (55.6) | P = 0.9 |
| Amylase > 250 mg/dL, (%) | 68.2 | 55.7 | 53.1 | P = 0.97 | 74.5 | 63.7 | P = 0.02 |
| Cyst size (mean diameter ± SD), mm | 25.3 ± 16 | 27 ± 15 | 23 ± 14 | P = 0.45 | 24 ± 17 | 22 ± 15 | P = 0.13 |
| Cyst location (%)Head/neck/Unc.BodyTail | 552421 | 402436 | 322147 | P = 0.69 | 582517 | 552322 | P = 0.48 |
| Cyst number (%)SingleMultiple | 6931 | 7030 | 7525 | P = 0.95 | 6634 | 7426 | P = 0.09 |
1
One of the symptoms referable to the pancreas; abdominal pain, weight loss, obstructive jaundice, pancreatitis.