|
Total (n = 895)
|
Elderly group (n = 659)
|
Younger group (n = 236)
|
P-value
|
---|
Age (y)
|
71.9 ± 11.1
|
77.2 ± 6.9
|
57.2 ± 6.1
|
NA
|
Sex (Female)
|
435 (48.6%)
|
354 (53.7%)
|
81 (34.3%)
|
<.0001
|
Tumor location, including the pancreatic head
|
506 (56.5%)
|
376 (57.1%)
|
130 (55.1%)
|
0.51
|
Stage
|
I
|
15 (1.7%)
|
13 (2.0%)
|
2 (0.8%)
|
0.25
|
II
|
18 (2.0%)
|
16 (2.4%)
|
2 (0.8%)
|
0.14
|
III
|
57 (6.4%)
|
39 (5.9%)
|
18 (7.7%)
|
0.36
|
IVa
|
232 (25.9%)
|
172 (26.1%)
|
60 (25.4%)
|
0.84
|
IVb
|
573 (64.0%)
|
419 (63.6%)
|
154 (65.3%)
|
0.65
|
Treatment
|
CT
|
519 (58.0%)
|
344 (43.4%)
|
175 (60.3%)
|
<.0001
|
BSC
|
376 (42.0%)
|
315 (39.8%)
|
61 (21.0%)
|
<.0001
|
Death resulting from PC
|
584 (96.1%)
|
419 (95.2%)
|
165 (98.2%)
|
0.09
|
- Elderly group: patients aged ≥65 years; Younger group: patients aged <65 years
-
Abbreviations: CT chemotherapy, BSC best supportive care, PC pancreatic cancer, NA not applicable