Table 1 Correlation between colorectal cancer crude incidence rate and ultraviolet B estimate for every age group
Age groups | Spearman’s rank correlation rho | p-value |
|---|---|---|
0–14 years | − 0.16 | 0.05 |
15–29 years | − 0.16 | 0.049 |
30–44 years | − 0.50 | <  0.001 |
45–59 years | − 0.68 | <  0.001 |
60–74 years | −0.70 | <  0.001 |
>/= 75 years | −0.69 | <  0.001 |