Table 1 Characteristics of the study population
Factor | No. of cases | % |
|---|---|---|
Year of diagnosis | ||
1993 | 553 | 19.8 |
1994 | 552 | 19.8 |
1995 | 479 | 17.1 |
1996 | 610 | 21.8 |
1997 | 600 | 21.5 |
Age groups | ||
0–39 | 14 | 0.5 |
40–49 | 93 | 3.3 |
50–59 | 312 | 11.2 |
60–69 | 717 | 25.7 |
70–79 | 946 | 33.9 |
⩾80 | 712 | 25.5 |
Sex | ||
Male | 1330 | 47.6 |
Female | 1464 | 52.4 |
Carstairs deprivation quintile | ||
(Least deprived) 1 | 510 | 18.3 |
2 | 600 | 21.5 |
3 | 594 | 21.3 |
4 | 527 | 18.9 |
(Most deprived) 5 | 562 | 20.1 |
Unknown | 1 | 0.0 |
Previous cancer | ||
No | 2611 | 93.5 |
Yes | 183 | 6.6 |
Charlson co-morbidity index a | ||
None | 2160 | 77.3 |
1–2 conditions | 95 | 3.4 |
⩾3 conditions | 539 | 19.3 |
Scottish co-morbidity index a | ||
None | 1994 | 71.4 |
1 condition | 516 | 18.5 |
⩾2 conditions | 284 | 10.2 |
Bed-days co-morbidity index (in 6 months prior to diagnosis) a | ||
None | 334 | 12 |
1–4 days | 284 | 10.2 |
5–10 days | 453 | 16.2 |
⩾11 days | 1723 | 61.7 |
Bed-days co-morbidity index (between 6 months and 5 years prior to diagnosis) a | ||
None | 1555 | 55.7 |
1–4 days | 290 | 10.4 |
5–10 days | 296 | 10.6 |
⩾11 days | 653 | 23.4 |
Tumour subsite | ||
Head of pancreas | 1263 | 45.2 |
Body of pancreas | 112 | 4.0 |
Tail of pancreas | 57 | 2.0 |
Other | 40 | 1.4 |
Unspecified | 1322 | 47.3 |
Tumour morphology | ||
Neoplasm, not otherwise specified | 222 | 8.0 |
Carcinoma, not otherwise specified | 1523 | 54.5 |
Adenocarcinoma, not otherwise specified | 902 | 32.3 |
Mucin-producing adenocarcinoma | 51 | 1.8 |
Other | 96 | 3.4 |
Microscopically verified | ||
No | 1616 | 57.8 |
Yes | 1178 | 42.2 |
Metastases within 4 weeks of diagnosis a | ||
No | 2023 | 72.4 |
Yes | 771 | 27.6 |
Presence of ascites recorded a | ||
No | 2674 | 95.7 |
Yes | 120 | 4.3 |
Surgical resection a | ||
No | 2663 | 95.3 |
Yes | 131 | 4.7 |
Other surgery a | ||
No | 2102 | 75.2 |
Yes | 692 | 24.8 |
Biliary stent a | ||
No | 2054 | 73.5 |
Yes | 740 | 26.5 |
Chemotherapy a | ||
No | 2646 | 94.7 |
Yes | 148 | 5.3 |
Radiotherapy a | ||
No | 2769 | 99.1 |
Yes | 25 | 0.9 |
Caseload of main treating consultant a | ||
Unknown | 29 | 1.0 |
<5 cases | 799 | 28.6 |
5–9 cases | 612 | 21.9 |
10–19 cases | 460 | 16.5 |
⩾20 cases | 894 | 32.0 |
Caseload of hospital of treatment a | ||
Unknown | 29 | 1.0 |
1 case | 43 | 1.6 |
2–9 cases | 113 | 4.1 |
10–29 cases | 132 | 4.8 |
⩾30 cases | 2477 | 89.6 |
Specialty of main treating consultant a | ||
Specialist | 230 | 8.2 |
Clinician with an interest in the pancreas | 109 | 3.9 |
Nonspecialist | 2426 | 86.8 |
Unknown | 29 | 1.0 |
Total | 2794 | 100 |
