Table 2.
IBD-associated CRC (n = 63) | Sporadic CRC (n = 3710) | p-value | ||
---|---|---|---|---|
n (%) | n (%) | |||
Age | Median (range) (years) | 45 (22–80) | 66 (18–99) | < 0.001 |
Sex | Male | 35 (56) | 2315 (62.4) | 0.266 |
Female | 28 (44) | 1395 (37.6) | ||
ECOG* | ECOG 0–1 | 49 (85) | 2882 (84.8) | 0.953 |
ECOG 2–4 | 9 (16) | 518 (15.2) | ||
ASA** | ASA 1–2 | 49 (86) | 2422 (75.2) | 0.062 |
ASA 3–4 | 8 (14) | 797 (21.5) | ||
Tumor site | Right colon | 25 (40) | 863 (23.3) | 0.008 |
Left colon | 12 (19) | 1060 (28.6) | ||
Rectum | 26 (41) | 1787 (48.2) | ||
Emergency surgery | Yes | 5 (8) | 246 (6.6) | 0.680 |
No | 58 (92) | 3464 (93.4) | ||
Surgery | TME/CME | 36 (57) | 3701 (99.8) | < 0.001 |
(Procto)colectomy | 27 (43) | 9 (0.2) | ||
Histological type | Adenocarcinoma | 51 (81) | 3370 (90.8) | 0.007 |
Other types*** | 12 (19) | 340 (9.2) | ||
Stage (UICC) | Stage I | 16 (26) | 748 (20.2) | 0.334 |
Stage II | 17 (27) | 790 (21.3) | ||
Stage III | 13 (21) | 717 (19.3) | ||
Stage IV | 10 (16) | 585 (15.8) | ||
Stage y0 | 0 | 98 (2.6) | ||
Stage yI | 0 | 191 (5.2) | ||
Stage yII | 2 (3) | 196 (5.3) | ||
Stage yIII | 1 (2) | 202 (5.4) | ||
Stage yIV | 3 (5) | 181 (4.9) | ||
Distant metastases | M0 | 50 (79) | 2946 (79.4) | 0.993 |
M1 | 13 (21) | 764 (20.6) | ||
R classification | R0 | 51 (81) | 3097 (83.5) | 0.345 |
R1 | 2 (3) | 53 (1.4) | ||
R2 | 8 (13) | 515 (13.9) | ||
RX | 2 (3) | 45 (1.2) | ||
Multimodal treatment | Yes | 31 (49) | 1826 (50.8) | 0.998 |
No | 32 (51) | 1884 (49.2) |
IBD inflammatory bowel disease, CRC colorectal carcinoma, ASA American Society of Anesthesiologists Classification, TME total mesorectal excision, CME complete mesorectal excision; *ECOG performance status in 315 patients unknown; **ASA missing in 497 patients; ***undifferentiated carcinoma, mucinous adenocarcinoma, signet ring cell carcinoma, medullary carcinoma, adenosquamous carcinoma. RX usually due to complete radio frequency ablation of liver metastases