Table 1.
Characteristics of patients with gastric ASC and AC
| Characteristics | ASC | AC | p value |
|---|---|---|---|
| Number | 93(0.2%) | 41794(99.8%) | |
| Age (years) | 68.72±12.42 | 70.85±15.19 | 0.078 |
| Gender | |||
| Female | 35(37.6%) | 17194(41.1%) | 0.528 |
| Male | 58(62.4%) | 24600(58.9%) | |
| Ethnicity | |||
| White | 56(60.2%) | 26146(62.6%) | 0.078 |
| Black | 25(26.9%) | 7280(17.4%) | |
| Other | 12(12.9%) | 8262(19.8%) | |
| Unknown | 0 | 106(0.3%) | |
| Marital status | |||
| Single | 14(15.1%) | 5222(12.5%) | 0.128 |
| Married | 58(62.4%) | 22164(53.0%) | |
| Separated/divorced | 6(6.5%) | 3402(8.1%) | |
| Widowed | 10(10.8%) | 8837(21.1%) | |
| Other/unknown | 5(5.4%) | 2169(5.2%) | |
| Primary site | |||
| Fundus | 9(9.7%) | 2403(5.7%) | 0.155 |
| Body | 8(8.6%) | 5244(12.5%) | |
| Antrum | 26(28.0%) | 12233(29.3%) | |
| Pylorus | 7(7.5%) | 1871(4.5%) | |
| Lesser curvature, NOS | 14(15.1%) | 4884(11.7%) | |
| Greater curvature, NOS | 4(4.3%) | 2197(5.3%) | |
| Overlapping lesion | 13(14.0%) | 4304(10.3%) | |
| Stomach, NOS | 12(12.9%) | 8658(20.7%) | |
| Pathological differentiation | |||
| Well | 1(1.1%) | 1924(4.6%) | 0.002 |
| Moderate | 11(11.8%) | 11031(26.4%) | |
| Poor | 69(74.2%) | 21885(52.4%) | |
| Undifferentiated | 2(2.2%) | 637(1.5%) | |
| Unknown | 10(10.8%) | 6317(15.1%) | |
| Summary stage | |||
| In situ | 0 | 555(1.3%) | 0.002 |
| Localized | 9(9.7%) | 10009(23.9%) | |
| Regional | 37(39.8%) | 12785(30.6%) | |
| Distant | 43(46.2%) | 14026(33.6%) | |
| Unstaged | 4(4.3%) | 4419(10.6%) | |
| T stage | |||
| T0/Tis/T1 | 7(7.5%) | 7740(18.5%) | 0.036 |
| T2 | 19(20.4%) | 8132(19.5%) | |
| T3 | 9(9.7%) | 3428(8.2%) | |
| T4 | 14(15.1%) | 3762(9.0%) | |
| Unknown | 44(47.3%) | 18732(44.8%) | |
| Lymph node metastasis | |||
| Yes | 32(34.4%) | 11747(28.1%) | 0.259 |
| No | 23(24.7%) | 13233(31.7%) | |
| Unknown | 38(40.9%) | 16814(40.2%) | |
| Distant metastasis | |||
| Yes | 31(33.3%) | 9970(23.9%) | 0.026 |
| No | 28(30.1%) | 17871(42.8%) | |
| Unknown | 34(36.6%) | 13953(33.4%) | |
| Surgery | |||
| Yes | 57(61.3%) | 21113(50.5%) | 0.080 |
| No | 36(38.7%) | 20130(48.2%) | |
| Unknown | 0 | 551(1.3%) | |
| Radiation | |||
| Yes | 19(20.4%) | 6880(16.5%) | 0.326 |
| No/unknown | 74(79.6%) | 34914(83.5%) | |
| Chemotherapy | |||
| Yes | 41(44.1%) | 14218(34.0%) | 0.048 |
| No/unknown | 52(55.9%) | 27576(66.0%) |
ASC: adenosquamous carcinoma; AC: adenocarcinoma. The significant p values are in bold.