Table 1.
Demographic, Clinical, and Pathologic Characteristics of Study Cohort
| Variable | Number of Patients (n = 896), n (%) |
|---|---|
| Age, median, y | 57 (range 17–87) |
| Sex | |
| Male | 459 (51.2%) |
| Female | 437 (48.8%) |
| Race | |
| White | 722 (80.6%) |
| African American | 90 (10%) |
| Other | 79 (8.8%) |
| Tumor location | |
| Head | 288 (32.1%) |
| Body | 97 (10.8%) |
| Tail | 321(35.8%) |
| Other | 190 (21.2%) |
| Extent of resection | |
| Local excision | 771 (86%) |
| Partial pancreatectomy | 47 (5.2%) |
| Total pancreatectomy | 78 (8.7%) |
| Grade | |
| WD | 499 (55.7%) |
| MD | 102 (11.4%) |
| PD or UD | 75 (8.4%) |
| Functionality | |
| Functioning | 32 (3.6%) |
| Nonfunctioning | 864 (96.4%) |
| AJCC T stagea | |
| T1 | 152 (17%) |
| T2 | 184 (20.5%) |
| T3 | 382 (42.6%) |
| T4 | 155 (17.3%) |
| AJCC N stage | |
| N0 | 459 (51.2%) |
| N1 | 437 (48.8%) |
| AJCC M stage | |
| M0 | 672 (75%) |
| M1 | 218 (24.3%) |
a
Based on the eighth edition of the AJCC staging system for PNETs.