Tattooed group N = 107 | Control group N = 143 | P | |
---|---|---|---|
N of lymph nodes examined | 16.0 (12–24) | 17.0 (12–21) | 0.90 |
N of nodes examined in colonic cancer | 17.0 (12–24) | 18.0 (13–23.75) | 0.40 |
Right colon | 21.0 (14–28) | 19.0 (15.25-26) | |
Tansverse colon | 14.0a | 15.0 (9–19) | |
Left colon | 14.5 (11–21.5) | 16.0 (12–20) | |
N of nodes examined in rectal cancer | 12.0 (9.75-28.25) | 13.0 (10.75-20) | 0.70 |
pN stage in colon cancers b | 0.70 | ||
0 | 50 (55%) | 50 (58%) | |
1 | 23 (25%) | 19 (22%) | |
2 | 18 (20%) | 17 (20%) | |
pN stage in rectal cancers | 0.60 | ||
0 | 5 (50%) | 25 (53%) | |
1 | 4 (40%) | 13 (28%) | |
2 | 1 (10%) | 9 (19%) | |
N adequate lymphadenectomy (≥12) | 84 (78%) | 113 (79%) | |
Colonic cancer | 78/97 (80%) | 80/96 (83%) | 0.40 |
Rectal cancer | 6/10 (60%) | 33/47 (71%) | 0.30 |