Research Article

High Prevalence of Human Papillomavirus in Colorectal Cancer in Hispanics: A Case-Control Study

Table 4

Clinicopathological characteristics of colorectal tumors according to HPV status.

HPV (+) CRC 

(%)
HPV (−) CRC 

(%)
valueOR (95% CI)

Differentiation
 Poor 1 (5.3)1 (3.8) 1.14 (0.03–47.21)
 Well/moderate 14 (73.7) 16 (61.5) Reference
Staging
 Advanced (III and IV)7 (38.9)6 (37.5)0.931.06 (0.27–4.24)
 Early (0, I, and II) 11 (61.1) 10 (62.5) Reference
Tumor location
 Proximal4 (21.1)3 (11.53)0.432.04 (0.37–12.16)
 Distal and rectum15 (79.0)23 (88.5)Reference

The number of cases may vary between categories according to the availability of the information. values were calculated using chi-square tests or Fisher’s exact tests, when appropriate. Mid- exact method; Fisher’s exact test.