Table 2 Pathological response with different duration of radiotherapy
From: Comparing neoadjuvant long-course chemoradiotherapy with short-course radiotherapy in rectal cancer
Clinical variable | Radiotherapy duration | χ2 | P value | |
|---|---|---|---|---|
SC (%) | LC (%) | |||
ypT | ||||
0 1 2 3 4 | 8 (25.00) 4 (12.50) 9 (28.13) 10 (31.25) 1 (3.12) | 25 (18.12) 8 (5.80) 26 (18.84) 23 (16.67) 56 (40.57) | 22.16 | < 0.01* |
T downstaging | ||||
No Yes | 12 (37.50) 20 (62.50) | 73 (52.90) 65 (47.10) | 2.46 | 0.12* |
ypN | ||||
0 1 2 | 24 (75.00) 8 (25.00) 0 (0.00) | 103 (74.64) 23 (16.67) 12 (8.69) | – | 0.15** |
N downstaging | ||||
No Yes | 2 (6.25) 30 (93.75) | 38 (27.54) 100 (72.46) | 6.54 | 0.01* |
pCR | ||||
Yes | 8 (25.00) | 25 (18.12) | 0.79 | 0.38* |
No | 24 (75.00) | 113 (81.88) | ||