Table 2 Correlation analysis between ESCC-PS and patient characteristics
Patient characteristics | ESCC-PS 1 (N = 19) | ESCC-PS 2 (N = 13) | ESCC-PS 3 (N = 11) | P value |
|---|---|---|---|---|
Age | ||||
≤ 60 | 10 (52.6%) | 8 (61.5%) | 6 (54.5%) | 0.879 |
> 60 | 9 (47.4%) | 5 (38.5%) | 5 (45.5%) | |
Gender | ||||
Male | 15 (78.9%) | 11 (84.6%) | 8 (72.7%) | 0.892 |
Female | 4 (21.1%) | 2 (15.4%) | 3 (27.3%) | |
Smoking history | ||||
No | 12 (63.2%) | 7 (53.8%) | 6 (54.5%) | 0.838 |
Yes | 7 (36.8%) | 6 (46.2%) | 5 (45.5%) | |
Drinking history | ||||
No | 9 (47.4%) | 8 (61.5%) | 6 (54.5%) | 0.730 |
Yes | 10 (52.6%) | 5 (38.5%) | 5 (45.5%) | |
T stage | ||||
T1-T2 | 1 (5.3%) | 3 (23.1%) | 1 (9.1%) | 0.413 |
T3-T4 | 18 (94.7%) | 10 (76.9%) | 10 (90.9%) | |
N stage | ||||
N0-N1 | 5 (26.3%) | 8 (61.5%) | 4 (36.4%) | 0.131 |
N2-N3 | 14 (73.7%) | 5 (38.5%) | 7 (63.6%) | |
Stage | ||||
III | 6 (31.6%) | 5 (38.5%) | 2 (18.2%) | 0.581 |
IV | 13 (68.4%) | 8 (61.5%) | 9 (81.8%) | |
Lung metastasis | ||||
No | 14 (73.7%) | 11 (84.6%) | 9 (81.8%) | 0.892 |
Yes | 5 (26.3%) | 2 (15.4%) | 2 (18.2%) | |
Bone metastasis | ||||
No | 18 (94.7%) | 13 (100.0%) | 10 (90.9%) | 0.726 |
Yes | 1 (5.3%) | 0 (0.0%) | 1 (9.1%) | |
Liver metastasis | ||||
No | 16 (84.2%) | 13 (100.0%) | 9 (81.8%) | 0.351 |
Yes | 3 (15.8%) | 0 (0.0%) | 2 (18.2%) | |
Radiotherapy | ||||
No | 8 (42.1%) | 2 (15.4%) | 2 (18.2%) | 0.217 |
Yes | 11 (57.9%) | 11 (84.6%) | 9 (81.8%) | |
Chemotherapy | ||||
No | 5 (26.3%) | 4 (30.8%) | 3 (27.3%) | 0.961 |
Yes | 14 (73.7%) | 9 (69.2%) | 8 (72.7%) | |
PD-L1 | ||||
< 57.5% | 17 (89.5%) | 10 (76.9%) | 7 (63.6%) | 0.218 |
≥ 57.5% | 2 (10.5%) | 3 (23.1%) | 4 (36.4%) |