Table 3 pks prevalence according to CRC subgroups
From: Prevalence of pks-positive Escherichia coli in Japanese patients with or without colorectal cancer
Subgroup | pks-positive | pks-negative | Total | pks prevalence |
|---|---|---|---|---|
Location of CRC | ||||
 Right-sided | 4 | 4 | 8 | 50% |
 Left-sided | 8 | 11 | 19 | 42% |
|  |  |  |  | p = 0.706 |
Depth of CRC | ||||
 M or SM | 3 | 2 | 5 | 60% |
 MP or further | 9 | 13 | 22 | 41% |
|  |  |  |  | p = 0.438 |
k-ras gene status | ||||
 Wild-type | 0 | 4 | 4 | 0% |
 Mutant | 3 | 3 | 6 | 50% |
|  |  |  |  | p = 0.091 |
Obstruction and treatment status | ||||
 Non-obstructed, before treatment | 7 | 5 | 12 | 58% |
 Non-obstructed, under or after treatment | 3 | 8 | 11 | 27% |
|  |  |  |  | p = 0.133 |
 Obstructed | 5 | 7 | 12 | 42% |
|  |  |  |  | p = 0.414 |