Table 2 Baseline characteristics of the study groups
|  | PC (N = 965) | PnC (N = 3963) | Control (N = 4355) | Totala (N = 8962) | P valueb (PC vs PnC) | P valueb (PC vs Control) |
|---|---|---|---|---|---|---|
Gender | Â | Â | Â | Â | 0.851 | 0.012 |
 Female | 453 (46.9%) | 1847 (46.6%) | 2238 (51.4%) | 4373 (48.8%) |  |  |
 Male | 512 (53.1%) | 2116 (53.4%) | 2117 (48.6%) | 4589 (51.2%) |  |  |
Ethnicity |  |  |  |  | < 0.001 | < 0.001 |
 White | 537 (55.6%) | 2103 (53.1%) | 2442 (56.1%) | 4878 (54.4%) |  |  |
 South Asian | 86 (8.9%) | 793 (20.0%) | 692 (15.9%) | 1527 (17.0%) |  |  |
 Black | 100 (10.4%) | 366 (9.2%) | 671 (15.4%) | 1099 (12.3%) |  |  |
 Other | 85 (8.8%) | 421 (10.6%) | 421 (9.7%) | 904 (10.1%) |  |  |
 Not known | 157 (16.3%) | 280 (7.1%) | 129 (3.0%) | 554 (6.2%) |  |  |
Age at diagnosisc |  |  |  |  | < 0.001 | < 0.001 |
 Median | 67.1 | 51.7 | 54.1 | 55.1 |  |  |
 IQR | 58.9, 76.0 | 38.6, 67.7 | 42.0, 67.7 | 41.6, 68.9 |  |  |
Diagnosis age groupc |  |  |  |  | < 0.001 | < 0.001 |
 18-40 | 26 (2.7%) | 1158 (29.2%) | 1005 (23.1%) | 2149 (24.0%) |  |  |
 41-50 | 70 (7.3%) | 771 (19.5%) | 839 (19.3%) | 1611 (18.0%) |  |  |
 51-60 | 198 (20.5%) | 698 (17.6%) | 917 (21.1%) | 1736 (19.4%) |  |  |
 61-70 | 299 (31.0%) | 528 (13.3%) | 739 (17.0%) | 1522 (17.0%) |  |  |
 71-80 | 246 (25.5%) | 470 (11.9%) | 483 (11.1%) | 1142 (12.7%) |  |  |
 > 80 | 126 (13.1%) | 338 (8.5%) | 372 (8.5%) | 802 (8.9%) |  |  |
Mortality status |  |  |  |  | < 0.001 | < 0.001 |
 Deceased | 808 (83.7%) | 791 (20.0%) | 622 (14.3%) | 2146 (23.9%) |  |  |
 Survivor | 157 (16.3%) | 3172 (80.0%) | 3733 (85.7%) | 6816 (76.1%) |  |  |