Table 1:
Comparison of patients diagnosed with epithelial gastric cancer in California by race/ethnicity, 2006–2015.
| Non-Hispanic Whites | Non-Hispanic Blacks | Hispanics | Asians/Pacific Islanders | ||
|---|---|---|---|---|---|
| N=7,475 | N=1,246 | N=6,274 | N=4,204 | ||
| N (%) | N (%) | N (%) | N (%) | P-Value | |
| Sex | <0.0001* | ||||
| Male | 5092 (68.1) | 718 (57.6) | 3581 (57.1) | 2389 (56.8) | |
| Female | 2383 (31.9) | 528 (42.4) | 2693 (42.9) | 1815 (43.2) | |
| Age at Diagnosis | <0.0001* | ||||
| 20–49 years | 605 (8.1) | 154 (12.4) | 1481 (23.6) | 486 (11.6) | |
| 50–69 years | 3347 (44.8) | 567 (45.5) | 2758 (44.0) | 1691 (40.2) | |
| 70+ years | 3523 (47.1) | 525 (42.1) | 2035 (32.4) | 2027 (48.2) | |
| Neighborhood Socioeconomic Status | <0.0001* | ||||
| Lowest | 733 (9.8) | 372 (29.9) | 2224 (35.4) | 546 (13.0) | |
| Lower-Middle | 1316 (17.6) | 332 (26.6) | 1635 (26.1) | 788 (18.7) | |
| Middle | 1638 (21.9) | 219 (17.6) | 1125 (17.9) | 830 (19.7) | |
| Upper-Middle | 1809 (24.2) | 180 (14.4) | 787 (12.5) | 958 (22.8) | |
| Highest | 1691 (22.6) | 100 (8.0) | 332 (5.3) | 941 (22.4) | |
| Unknown | 288 (3.9) | 43 (3.5) | 171 (2.7) | 141 (3.4) | |
| Marital Status | <0.0001* | ||||
| Single/Divorced/Widowed | 2807 (37.6) | 724 (58.1) | 2419 (38.6) | 1272 (30.3) | |
| Married/Domestic Partner | 4392 (58.8) | 444 (35.6) | 3624 (57.8) | 2797 (66.5) | |
| Unknown | 276 (3.7) | 78 (6.3) | 231 (3.7) | 135 (3.2) | |
| Insurance | <0.0001* | ||||
| Private | 3318 (44.4) | 484 (38.8) | 2430 (38.7) | 1638 (39.0) | |
| Medicare | 3163 (42.3) | 461 (37.0) | 1761 (28.1) | 1785 (42.5) | |
| Other Public | 724 (9.7) | 248 (19.9) | 1569 (25.0) | 586 (13.9) | |
| None | 106 (1.4) | 25 (2.0) | 354 (5.6) | 135 (3.2) | |
| Unknown | 164 (2.2) | 28 (2.2) | 160 (2.6) | 60 (1.4) | |
| Site | <0.0001* | ||||
| Cardia | 3538 (47.3) | 183 (14.7) | 934 (14.9) | 519 (12.3) | |
| Noncardia | 2588 (34.6) | 743 (59.6) | 3645 (58.1) | 2822 (67.1) | |
| Overlapping/Unspecified | 1349 (18.0) | 320 (25.7) | 1695 (27.0) | 863 (20.5) | |
| Histology | <0.0001* | ||||
| Intestinal | 4922 (65.8) | 781 (62.7) | 3338 (53.2) | 2679 (63.7) | |
| Diffuse | 1533 (20.5) | 298 (23.9) | 2099 (33.5) | 1166 (27.7) | |
| Other Epithelial | 1020 (13.6) | 167 (13.4) | 837 (13.3) | 359 (8.5) | |
| Stage at Diagnosis | <0.0001* | ||||
| Localized | 1972 (26.4) | 319 (25.6) | 1433 (22.8) | 1218 (29.0) | |
| Regional | 2376 (31.8) | 373 (29.9) | 1923 (30.7) | 1524 (36.3) | |
| Remote | 3127 (41.8) | 554 (44.5) | 2918 (46.5) | 1462 (34.8) | |
| First Course of Treatment | <0.0001* | ||||
| No Treatment | 1632 (21.8) | 353 (28.3) | 1418 (22.6) | 752 (17.9) | |
| Chemotherapy or Radiation | 1524 (20.4) | 265 (21.3) | 1536 (24.5) | 703 (16.7) | |
| Chemotherapy and Radiation | 784 (10.5) | 66 (5.3) | 318 (5.1) | 192 (4.6) | |
| Surgery Only | 1705 (22.8) | 318 (25.5) | 1408 (22.4) | 1345 (32.0) | |
| Surgery and Single Modality | 723 (9.7) | 116 (9.3) | 706 (11.3) | 543 (12.9) | |
| Surgery, Chemotherapy, and Radiation | 970 (13.0) | 115 (9.2) | 734 (11.7) | 590 (14.0) | |
| Missing/Unknown Data | 137 (1.8) | 13 (1.0) | 154 (2.5) | 79 (1.9) |
Two-tailed p-values were generated from chi-square tests