Table 2.
Variable | CPS ≥ 1(N = 19) | CPS < 1(N = 11) | P-Value | CPS ≥ 5(N = 9) | CPS < 5(N = 21) | P-Value |
---|---|---|---|---|---|---|
R0 resection | 19 (100) | 11 (100) | – | 9 (100) | 21 (100) | – |
TRG | ||||||
0 | 8 (42.1) | 2 (18.2) | 0.149# | 6 (66.7) | 4 (19.0) | 0.028# |
1 | 7 (36.8) | 2 (18.2) | 3 (33.3) | 6 (28.6) | ||
2 | 2 (10.5) | 4 (36.4) | 0 (0) | 6 (28.6) | ||
3 | 2 (10.5) | 3 (27.3) | 0 (0) | 5 (23.8) | ||
pCR | 8 (42.1) | 2 (18.2) | 0.246# | 6 (66.7) | 4 (19.0) | 0.018# |
MPR, No. (%) | 15 (78.9) | 4 (36.4) | 0.047# | 9 (100.0) | 10 (47.6) | 0.011# |
ypTNM stage, No. (%) | ||||||
I | 6 (31.6) | 1 (9.1) | 0.061# | 3 (33.3) | 4 (19.0) | 0.010# |
II | 3 (15.8) | 2 (18.2) | 0 (0) | 5 (23.8) | ||
III | 2 (10.5) | 6 (54.5) | 0 (0) | 8 (38.1) | ||
Inevaluable* | 8 (42.1) | 2 (18.2) | 6 (66.7) | 4 (19.0) |
TRG, tumor regression grade; pCR, pathological complete response; MPR, major pathological response; TNM, tumor node metastasis. *No viable tumor cells remain in the sections where tumor cells are likely to remain. #Fisher exact test.