Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Association between hemoglobin level and the prevalence of colorectal polyps.
| Hemoglobin | Total | Colorectal polyps | PR% | PR | χ 2 | P |
|---|---|---|---|---|---|---|
| Quartile 1 | 414 | 68 | 16.43 | 1.00 | ||
| Quartile 2 | 439 | 115 | 26.20 | 1.59 | ||
| Quartile 3 | 373 | 120 | 32.17 | 1.96 | ||
| Quartile 4 | 407 | 146 | 35.87 | 2.18 | 44.240 | <0.001 |
PR%: prevalence rate; PR: prevalence ratio.
