Table 2 Epidemiological and tumour characteristics
From: CUSUM charts in the quality control of colon cancer lymph node analysis: a population-registry study
n = 548 | |
|---|---|
Age* | 72 (63–80) |
Grouped age | 109 (19.9%) |
< 60 | 222 (40.5%) |
> 75 | 217 (39.6%) |
Gender | |
Female | 252 (46%) |
Male | 296 (54%) |
Tumour location | |
Right colon | 195 (35.6%) |
Transverse colon | 58 (10.6%) |
Left colon | 44 (8.0%) |
Sigmoid colon | 217 (39.6%) |
Unknown | 34 (6.2%) |
Histology | |
Adenocarcinoma | 461 (84.7%) |
Mucinous | 74 (13.6%) |
Signet-ring cell | 9 (1.7%) |
Major size (mm)* | 45 (32–55) |
Grade | |
Unknown | 19 (3.5%) |
I | 151 (27.6%) |
II | 343 (62.6%) |
III | 35 (6.4%) |
Adjuvant chemotherapy | |
No | 371 (67.7%) |
Yes | 177 (32.3%) |
Number of retrieved lymph nodes* | 10 (7–15) |
Cutoff retrieved lymph nodes | |
< 12 | 308 (56.2%) |
≥ 12 | 240 (43.8%) |
Number of positive lymph nodes* | 0 (0–1) |
Lymph node ratio | |
0–24 | 448 (81.8%) |
25–60 | 80 (14.6%) |
> 60 | 20 (3.6%) |
Condensed pT6 | |
T1–T2 | 118 (21.5%) |
T3–T4 | 430 (78.5%) |
Condensed pN7 | |
N0 | 346 (63.1%) |
N1 | 143 (26.1%) |
N2 | 59 (10.8%) |
Condensed TNM stage | |
I | 93 (17%) |
II | 253 (46.2%) |
III | 202 (36.8%) |
Postoperative death (90 days) | |
No | 503 (91.8%) |
Yes | 45 (8.2%) |
Follow-up general mortality | |
No | 334 (60.9%) |
Yes | 214 (39.1%) |
Follow-up recurrence | |
No | 439 (80.1%) |
Yes | 109 (19.9%) |
Follow-up time (months)* | 51 (30–64) |