Figure 1.

Figure 2.

Figure 3.

Figure 4.

Figure 5.

Demographic and clinical characteristics of CRC cases and controls
| Characteristics | Cases (n = 39) | Controls (n = 39) | P value* |
|---|---|---|---|
| Sex | |||
| Male | 22 (56%) | 22 (56%) | |
| Female | 17 (44%) | 17 (44%) | |
| Age at initial diagnosis (years) | |||
| <50 | 11 (28%) | 10 (26%) | 0.49 |
| ≥50 | 28 (72%) | 29 (74%) | 0.43 |
| Mean age at initial diagnosis (years ± SD) | 58 ± 12 | ||
| Median age at initial diagnosis | 61 | ||
| Tumor grade | |||
| G1 (well differentiated) | 11 (28%) | ||
| G2 & G3 (moderately and poorly differentiated) | 17 (44%) | ||
| No information available | 11 (28%) | ||
| Tumor stage | |||
| T1 & T2 (early) | 8 (20%) | ||
| T3 & T4 (advanced) | 21 (54%) | ||
| No information available | 10 (26%) | ||