Table 1.
Baseline characteristics and imaging data stratified by gender.
| Male (N=53) | Female (N=168) | P value | |
|---|---|---|---|
| Age(years), mean ±SD | 39.1±12.7 | 31.6±12.2 | 0.001 |
| Symptoms, N% | 0.251 | ||
| incidentally found | 42(79.2) | 116(69.0) | |
| abdominal pain | 10(18.9) | 30(17.9) | |
| abdominal distension | 0(0) | 12(7.1) | |
| nausea and vomiting | 0(0) | 8(4.8) | |
| jaundice | 1(1.9) | 2(1.2) | |
| Surgical methods, N% | 0.370 | ||
| PD | 13(24.5) | 48(28.6) | |
| DP | 25(47.2) | 82(48.8) | |
| CP | 10(18.9) | 28(16.7) | |
| TP | 0(0) | 10(6.0) | |
| enucleation | 5(9.4) | 8(4.8) | |
| Hospital stays (days), mean ±SD | 14.2±9.3 | 12.0±6.0 | 0.08 |
| Tumor size (mm), mean ±SD | 39.6±22.8 | 50.4±28.7 | 0.038 |
| Tumor location (head/body/tail/ diffuse), N% | 23/5/4/21 | 67/19/19/63 | 0.92 |
| Imaging diagnoses, N% | |||
| SPN | 28(54.0) | 118(70.5) | 0.02 |
| Malignant tumor | 20(37.7) | 18(10.7) | <0.0001 |
| neuroendocrine tumor | 1(1.9) | 11(6.5) | 0.192 |
| other benign tumors | 4(7.5) | 21(12.8) | 0.321 |
| Imaging diagnoses for having surgical indications, N% | 49(92.5) | 147(87.5) | 0.519 |
| Solid component, N% | |||
| Completely solid | 25(47.2) | 40(23.8) | 0.001 |
| Completely cystic | 0(0) | 32(19.0) | <0.001 |
| >50% solid component | 23(43.4) | 55(32.7) | 0.157 |
| <50% solid component | 5(9.4) | 41(24.4) | 0.043 |
| Average solid component proportion, % | 66.8 | 24.7 | <0.001 |
SD, standard deviation; SPN, Solid pseudopapillary neoplasm; PD, pancreatoduodenectomy; TP, total pancreatectomy; DP, distal pancreatectomy; CP, central pancreatectomy.