EUS/FNA (n=498) | Non-EUS/FNA (n=1536) | p Value | |
---|---|---|---|
Mean age at diagnosis (SE), years | 74.5 (0.24) | 74.64 (0.14) | 0.71 |
Men | 223 (45%) | 721 (47%) | 0.41 |
Caucasian | 452 (91%) | 1367 (89%) | 0.27 |
Year of diagnosis | <0.001 | ||
1998–2001 | 18 (4%) | 451 (29%) | |
2002–2005 | 172 (34%) | 584 (38%) | |
2006–2009 | 308 (62%) | 501 (33%) | |
Region | 0.001 | ||
West | 213 (43%) | 541 (35%) | |
Northeast | 119 (24%) | 382 (25%) | |
Midwest | 71 (14%) | 199 (13%) | |
South | 95 (19%) | 414 (27%) | |
Charlson Comorbidity Index | 0.006 | ||
0 | 114 (23%) | 447 (29%) | |
1 | 95 (19%) | 319 (20%) | |
2 | 95 (19%) | 218 (14%) | |
≥3 | 194 (39%) | 552 (36%) | |
Tumour sites | 0.02 | ||
Head | 382 (77%) | 1107 (72%) | |
Body/tail | 75 (15%) | 232 (15%) | |
Unspecified | 41 (8%) | 197 (13%) | |
Tumour histology | 0.02 | ||
Adenocarcinoma | 466 (93%) | 1373 (89%) | |
Malignant neuroendocrine | 11 (2.2%) | 42 (2.7%) | |
Other histology | 21 (4.2%) | 121 (7.8%) | |
Tumour stage | 0.37 | ||
Localised | 108 (22%) | 304 (20%) | |
Regional | 390 (78%) | 1232 (80%) | |
Tumour histological grade | <0.001 | ||
Well differentiated | 55 (11%) | 193 (13%) | |
Moderately differentiated | 211 (42%) | 657 (43%) | |
Poorly differentiated | 133 (27%) | 508 (33%) | |
Unknown or undifferentiated | 99 (20%) | 178 (12%) | |
Type of surgery | 0.92 | ||
Partial pancreatectomy and duodenectomy with partial gastrectomy | 284 (57%) | 855 (56%) | |
Partial pancreatectomy and/or duodenectomy | 138 (28%) | 447 (29%) | |
Total pancreatectomy and/or gastrectomy or duodenectomy | 63 (13%) | 190 (12%) | |
Others | 13 (3%) | 44 (3%) | |
Chemotherapy received | 304 (61%) | 777 (51%) | <0.001 |
Postoperative chemotherapy | 252 (51%) | 697 (45%) | |
Received therapy, not specified* | 52 (10%) | 80 (47%) | |
Not received | 194 (39%) | 759 (49%) | |
Radiation therapy received | 226 (45%) | 620 (40%) | <0.001 |
Postoperative radiation | 185 (37%) | 557 (36%) | |
Received therapy, not specified* | 41 (8%) | 63 (4%) | |
Not received | 272 (55%) | 916 (60%) | |
Percutaneous aspiration or biopsy performed | 133 (27%) | 245 (16%) | <0.001 |
*Preoperative chemotherapy, both preoperative and postoperative radiation or received radiation but sequence unknown.
EUS-FNA, endoscopic ultrasound-guided fine needle aspiration.