Table 2. Correlation between the clinicopathologic features and expression of ALDH1B1.
| Characteristics | N | ALDH1B1 expression, n (%) | χ2 | P | |
|---|---|---|---|---|---|
| Low | High | ||||
| Age (years) | 14.484 | <0.001 | |||
| ≤50 | 34 | 27 (79.4) | 7 (20.6) | ||
| >50 | 33 | 11 (33.3) | 22 (66.7) | ||
| Sex | 0.448 | 0.590 | |||
| Male | 48 | 26 (54.2) | 22 (45.8) | ||
| Female | 19 | 12 (63.2) | 7 (36.8) | ||
| Smoking | 0.969 | 0.457 | |||
| No | 37 | 19 (51.4) | 18 (48.6) | ||
| Yes | 30 | 19 (63.3) | 11 (36.7) | ||
| Pathological type | 2.710 | 0.131 | |||
| Undifferentiated | 41 | 20 (48.8) | 21 (51.2) | ||
| Differentiated | 26 | 18 (69.2) | 8 (30.8) | ||
| T stage | 0.076 | 0.809 | |||
| T1–T2 | 29 | 17 (58.6) | 12 (41.4) | ||
| T3–T4 | 38 | 21 (55.3) | 17 (44.7) | ||
| N stage | 0.054 | 1.000 | |||
| N0–N2 | 54 | 31 (57.4) | 23 (42.6) | ||
| N3 | 13 | 7 (53.8) | 6 (46.2) | ||
| TNM stage | 0.034 | 1.000 | |||
| III | 47 | 27 (57.4) | 20 (42.6) | ||
| IVa | 20 | 11 (55.0) | 9 (45.0) | ||
| Radiotherapy response | 5.527 | 0.034 | |||
| Sensitive | 45 | 30 (66.7) | 15 (33.3) | ||
| Resistant | 22 | 8 (36.4) | 14 (63.6) | ||
ALDH1B1, aldehyde dehydrogenase 1B1.