Table 3.
Frequencies of EMs and PMs in different cancer groups and control group
| Group | Total |
EMs (*1/*1, *1/*2 , *1/*3) |
PMs (*2/*2,*2/*3) |
||
| cases | Cases | % | Cases | % | |
| Esophagus cancer | 135 | 89 | 65.9 | 46 | 34.1 |
| Stomach cancer | 148 | 101 | 68.2 | 47 | 31.8 |
| Lung cancer | 212 | 139 | 65.6 | 73 | 34.4 |
| Bladder cancer | 112 | 107 | 95.5 | 5 | 4.5 |
| Control | 372 | 320 | 86.0 | 52 | 14.0 |
Esophagus cancer, χ2 = 25.65, P < 0.005, OR = 3.18, 95%CI = 2.005-5.042; Stomach cancer, χ2 = 21.70, P < 0.005, OR = 2.86, 95%CI = 1.820-4.501; Lung cancer, χ2 = 33.58, P < 0.005, OR = 3.23, 95%CI = 1.503-6.906; Bladder cancer, χ2 = 7.50, P < 0.01, OR = 0.288, 95%CI = 0.112-0.740.