Lauren's classification | Intestinal | Diffuse | Mixed | Total |
---|---|---|---|---|

OLFM4 low expression | 37 | 42 | 8 | 87 |

OLFM4 high expression | 52 | 24 | 11 | 87 |

Total | 89 | 66 | 19 | 174 |

NOTE: A Pearson χ^{2} statistic was used to test the association of the expression of *OLFM4* with GC histologic subtype (174 tumors). High *OLFM4* expression was positively associated with intestinal-type GC (Pearson χ^{2} test, *P* = 0.019).