Table 5 Comparison of survival rates between patients treated with or without chemotherapy in appendiceal cancer of different histological types
| Â | Cancer-specific death | Overall death | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Case (%) | Deaths | 5 years | 10 years | P value | Case (%) | Deaths | 5 years | 10 years | P value | |
GCC | ||||||||||
 No chemotherapy | 927 (85.3) | 68 | 0.9364 | 0.8669 | <.0001 | 927 (85.3) | 183 | 0.8255 | 0.6896 | <.0001 |
 Chemotherapy | 160 (14.7) | 51 | 0.5455 | 0.4994 |  | 160 (14.7) | 67 | 0.4678 | 0.3588 |  |
MAC | ||||||||||
 No chemotherapy | 1518 (53.6) | 313 | 0.7876 | 0.6911 | <.0001 | 1518 (53.6) | 582 | 0.6584 | 0.4944 | 0.281 |
 Chemotherapy | 1313 (46.4) | 383 | 0.6599 | 0.5438 |  | 1313 (46.4) | 470 | 0.6078 | 0.4714 |  |
NMAC | ||||||||||
 No chemotherapy | 1046 (59.4) | 217 | 0.7531 | 0.6998 | <.0001 | 1046 (59.4) | 461 | 0.5621 | 0.4454 | <.0001 |
 Chemotherapy | 716 (40.6) | 286 | 0.5231 | 0.4072 |  | 716 (40.6) | 371 | 0.4375 | 0.318 |  |
SRCC | ||||||||||
 No chemotherapy | 207 (36) | 68 | 0.6508 | 0.4773 | <.0001 | 207 (36) | 119 | 0.4819 | 0.2768 | <.0001 |
 Chemotherapy | 368 (64) | 194 | 0.3274 | 0.2215 |  | 368 (64) | 235 | 0.2574 | 0.166 |  |
NECs | ||||||||||
 No chemotherapy | 400 (95) | 12 | 0.9662 | 0.9304 | <.0001 | 400 (95) | 40 | 0.8896 | 0.7974 | <.0001 |
 Chemotherapy | 21 (5) | 6 | 0.5071 | 0.5071 |  | 21 (5) | 9 | 0.4031 | 0.4031 |  |
NETs | ||||||||||
 No chemotherapy | 1640 (98.4) | 8 | 0.8013 |  | <.0001 | 1640 (98.4) | 57 | 0.9401 | 0.9177 | <.0001 |
 Chemotherapy | 27 (1.6) | 3 | 0.8013 |  |  | 27 (1.6) | 5 | 0.7017 |  |  |
MiNENs | ||||||||||
 No chemotherapy | 219 (56.2) | 39 | 0.8021 | 0.6821 | <.0001 | 219 (56.2) | 69 | 0.7125 | 0.5378 | <.0001 |
 Chemotherapy | 171 (43.9) | 61 | 0.4726 | 0.2989 |  | 171 (43.9) | 75 | 0.4092 | 0.202 |  |