Table 2. Stratified analysis of ANO1 expression for overall survival in ESCC patients in two independent cohorts.
| Parameter | Cohort 1# | Cohort 2# | ||
|---|---|---|---|---|
| n | P value | n | P value | |
| Sex | ||||
| Female | 42 | 0.0165 | 66 | 0.0914 |
| Male | 120 | 0.0212 | 237 | 0.0698 |
| Age | ||||
| ≤ 60 | 85 | 0.2417 | 190 | 0.9951 |
| > 60 | 77 | 0.0008 | 113 | 0.1265 |
| Tumor location | ||||
| Upper | 28 | 0.5970 | 18 | 0.5252 |
| Middle | 94 | 0.0066 | 124 | 0.4682 |
| Lower | 40 | 0.0544 | 161 | 0.3878 |
| pT | ||||
| pT1 | - | - | - | - |
| pT2 | 19 | 0.2484 | 48 | 0.1203 |
| pT3 | 111 | 0.0035 | 242 | 0.1652 |
| pT4 | 31 | 0.0623 | - | - |
| Grade | ||||
| G1 | 33 | 0.8028 | 47 | 0.4760 |
| G2 | 87 | 0.0047 | 231 | 0.0453 |
| G3 | 42 | 0.0256 | 25 | 0.3625 |
| pN | ||||
| N0 | 76 | 0.0389 | 149 | 0.1376 |
| N1 | 43 | 0.5980 | 83 | 0.8570 |
| N2 | 31 | 0.0096 | 52 | 0.6440 |
| N3 | 12 | 0.7822 | 19 | 0.9773 |
| Stage | ||||
| I | 11 | 0.3112 | 29 | 0.7699 |
| IIA | 15 | 0.4450 | 76 | 0.0091 |
| IIB | 41 | 0.0091 | 60 | 0.3088 |
| III | 95 | 0.0337 | 138 | 0.9606 |
pT, pathologic T stage; pN, lymph node metastases.