| Group I (RTS) (n = 171) | Group II (LTS) (n = 171) | X² | P | ||||
No | % | No | % | |||||
Endoscopic findings | O.V. grades | Grade I | 17 | 9.9 | 8 | 4.7 | 11.6 | 0.009*
|
Grade II | 116 | 67.8 | 143 | 83.6 | ||||
Grade III | 33 | 19.3 | 17 | 9.9 | ||||
Grade IV | 5 | 2.9 | 3 | 1.8 | ||||
O.V. risky signs | No | 118 | 69.0 | 138 | 80.7 | 6.21 | 0.013*
| |
Yes | 53 | 31.0 | 33 | 19.3 |