From: Increased risk of cancer among relatives of patients with lung cancer in China
Case | Control | ||||
---|---|---|---|---|---|
Cancers (n.) | Families (no.) | Relativesa (no.) | Families (no.) | Relativesa (no.) | ORb (95%CI) |
Non-lung cancer | |||||
0 | 657 | 3,591 | 720 | 3,865 | |
1 | 96 | 568 | 63 | 397 | 1.54(1.17–2.28)** |
2 | 34 | 194 | 12 | 79 | 1.67 (0.91–3.91) |
3 | 11 | 83 | 4 | 28 | 2.11 (1.02–7.98)* |
4+ | 2 | 17 | 1 | 9 | 3.13 (0.89–60.66) |
Lung cancer | |||||
0 | 658 | 3629 | 706 | 3757 | |
1 | 113 | 636 | 81 | 528 | 1.48 (1.11–2.02)* |
2 | 17 | 103 | 11 | 77 | 2.96 (1.44–6.02)** |
3 | 10 | 69 | 2 | 16 | 5.67 (1.24–34.89)* |
4+ | 2 | 16 | 0 | 0 | -- |