Table 2.
Correlation between TRG and clinicopathological characteristics after neoadjuvant for patients with ESCC.
| Variables | TRG | P value | ||||
|---|---|---|---|---|---|---|
| TRG 5 | TRG 4 | TRG 3 | TRG 2 | TRG 1 | ||
| Gender | .859 | |||||
| Male | 6 | 10 | 3 | 10 | 5 | |
| Female | 1 | 2 | 0 | 2 | 2 | |
| Age | .437 | |||||
| <61 yr | 5 | 4 | 1 | 4 | 2 | |
| ≥61 yr | 2 | 8 | 2 | 8 | 5 | |
| Smoking status | .825 | |||||
| Non smoker | 1 | 3 | 0 | 2 | 2 | |
| Smoker | 6 | 9 | 3 | 10 | 5 | |
| Drinking status | .463 | |||||
| Non drinker | 4 | 6 | 0 | 7 | 3 | |
| Drinker | 3 | 6 | 3 | 5 | 4 | |
| Differentiation | .412 | |||||
| G1 | 1 | 1 | 0 | 0 | 0 | |
| G2 | 4 | 6 | 3 | 11 | 5 | |
| G3 | 2 | 5 | 0 | 1 | 2 | |
| Family history of tumour | .635 | |||||
| Without | 6 | 7 | 2 | 9 | 6 | |
| With | 1 | 5 | 1 | 3 | 1 | |
| Tumour location | .678 | |||||
| Upper | 1 | 3 | 1 | 3 | 2 | |
| Middle | 6 | 9 | 2 | 9 | 4 | |
| Lower | 0 | 0 | 0 | 0 | 1 | |
| Clinical T stage | .709 | |||||
| T1 | 0 | 1 | 0 | 0 | 0 | |
| T2 | 0 | 3 | 0 | 1 | 0 | |
| T3 | 5 | 7 | 2 | 9 | 5 | |
| T4 | 2 | 1 | 1 | 2 | 2 | |
| Clinical N stage | .764 | |||||
| N negative | 3 | 7 | 1 | 7 | 5 | |
| N positive | 4 | 5 | 2 | 5 | 2 | |
| Clinical TNM stage | .708 | |||||
| I stage | 0 | 1 | 0 | 0 | 0 | |
| II stage | 2 | 5 | 1 | 6 | 5 | |
| III stage | 5 | 6 | 2 | 6 | 2 | |
ESCC = esophageal squamous cell carcinoma, TRG = tumor regression grade.