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Distribution of the number of patients among endometrial CLDN4/LIF immunolabeling intensities
| Endometrial expression | LIF+ | LIF- |
| CLDN4+ | 9 | 14 |
| CLDN4- | 7 | 22 |
| Chi-square: 1.353 | p = 0.245 |
Chi-square for association between positive and negative immunolabelings for CLDN4 and LIF
