Table 2 Association of ALDH isotype expression with clinicopathological factors [χ2 test].
|  | ALDH1/2 high (score ≥ 4) | ALDH1/2 Low (score < 4) | P-value | ALDH1A3 high (score ≥ 4) | ALDH1A3 low (score < 4) | p-value |
|---|---|---|---|---|---|---|
 Age (years) (mean ± SD) | 60 ± 11.13 | 59 ± 8.80 | NA | 61 ± 11.49 | 58 ± 9.11 | NA |
Gender | ||||||
 Male | 44 | 39 | 0.42 | 32 | 51 | 0.88 |
 Female | 7 | 9 | 6 | 10 | ||
Smoking status | ||||||
 Yes | 35 | 30 | 0.23 | 33 | 21 | 0.15 |
 No | 14 | 20 | 21 | 24 | ||
Tumor size (cm) | ||||||
 ≥ 3 | 47 | 36 | 0.16 | 51 | 32 | 0.025 |
 < 3 | 6 | 10 | 5 | 11 | ||
T stage | ||||||
 T (2) | 45 | 39 | 0.98 | 27 | 54 | 0.002 |
 T (≥ 3) | 8 | 7 | 13 | 5 | ||
LVI status | ||||||
 Yes | 19 | 34 | 0.73 | 13 | 23 | 0.84 |
 No | 18 | 28 | 24 | 39 | ||
HDN status | ||||||
 Yes | 34 | 19 | 0.32 | 20 | 16 | 0.53 |
 No | 25 | 21 | 39 | 24 | ||
Lymph node (N) status | ||||||
 N (0) | 40 | 34 | 0.85 | 26 | 48 | 0.66 |
 N (≥ 1) | 13 | 12 | 10 | 15 | ||
