Table 1. Chi-square test results for ALDH1 and CD44 expression score based on the staining area and intensity of color reaction.
| Normal no. (%) |
EH no. (%) |
AH no. (%) |
EC no. (%) |
p a value | |
|---|---|---|---|---|---|
| ALDH1 | <0.001 | ||||
| Low | 40 (95.24) | 40 (83.33) | 37 (88.10) | 63 (55.75) | |
| High | 2 (4.76) | 8 (16.67) | 5 (11.90) | 50 (44.25) | |
| CD44 | <0.001 | ||||
| - (negative) | 40 (95.24) | 47 (97.92) | 40 (95.24) | 73 (64.60) | |
| + (positive) | 2 (4.76) | 1 (2.08) | 2 (4.76) | 40 (35.40) | |
| Combination of ALDH1 & CD44 | <0.001 | ||||
| ALDH1Low & CD44− | 38 (90.48) | 39 (81.25) | 36 (85.71) | 44 (38.94) | |
| (ALDH1Low & CD44+)+(ALDHHigh & CD44−) | 4 (9.52) | 9 (18.75) | 5 (11.90) | 48 (42.48) | |
| ALDH1High & CD44+ | 0 (0) | 0 (0) | 1 (2.38) | 21 (18.58) |
Normal: normal endometrium; EH: endometrial hyperplasia without atypia; AH: atypical hyperplasia; EC: endometrial carcinoma.
a Fisher’s exact test.