Table 2
Anatomical site of tumour compared with allelic imbalance (AI) on chromosome 12q and ethnicity
| Cardia | Body | Antrum | p Value | |
|---|---|---|---|---|
| The anatomical site of origin of the tumour could be determined for 66% of the 76 tumours. | ||||
| *Fisher’s exact test, when the table is collapsed into a 2×2 table comparing white with minority for anatomical site (cardia versus body+antrum). If the grouping is (cardia+body) versus antrum, p=0.023. †Fisher’s exact test, when table is collapsed into a 2×2 table comparing (cardia+body) versus antrum for AI on chromosome 12q. | ||||
| Ethnicity (n=49) | ||||
| White | 10 | 6 | 8 | 0.0019* |
| Hispanic | 0 | 4 | 7 | |
| African–American | 1 | 3 | 10 | |
| AI on 12q (n=50) | ||||
| Absent | 4 | 6 | 4 | 0.059† |
| Present | 7 | 7 | 22 | |









