Table 4 Interaction of FB1 and AFB1 exposure on risk of esophageal cancer
FB1 exposurea | AFB1 exposureb | Cases (%) | Controls (%) | p | OR (95% CI) |
|---|---|---|---|---|---|
Low | Low | 14 (7.36) | 100 (26.32) | Â | 1 |
High | Low | 50 (26.32) | 88 (23.16) | < 0.001 | 4.057 (2.101, 7.834) |
Low | High | 25 (13.16) | 90 (23.68) | 0.060 | 1.983 (0.972, 4.048) |
High | High | 101 (53.16) | 102 (26.84) | < 0.001 | 7.070 (3.791, 13.187) |
Relative excess risk due to interaction (RERI) |  |  |  | 2.030 (−0.591, 4.651) | |
Proportion attributable to interaction (AP) |  |  |  | 0.287 (−0.029, 0.603) | |
Synergy index (S) | Â | Â | Â | 1.502 (0.864, 2.612) | |