Geographic Variation of Chronic Kidney Disease Prevalence: Correlation with the Incidence of Renal Cell Carcinoma or Urothelial Carcinoma?
Table 2
Kruskal-Wallis test for different combined risk groups of renal cell carcinoma or urothelial carcinoma incidence.
Level of risk
Risk groups
RCC
UTUC
LTUC
Indefinite
Low
40
3.59 (0–10.54)
4.70 (0–16.38)
7.30 (0–28.07)
High
77
3.99 (0–14.95)
4.22 (0–32.77)
8.30 (0–36.04)
Higher
15
5.14 (0–17.51)
5.73 (0–14.28)
11.08 (3.90–40.84)
Definite
Nonsignificant
101
3.66 (0–14.45)
4.37 (0–27.01)
9.00 (0–27.28)
Low
15
4.12 (0–10.15)
4.54 (0–17.32)
8.72 (0–30.74)
High
82
3.67 (0–20.03)
5.35 (0–35.96)
8.83 (0–59.93)
Higher
26
2.97 (0–13.47)
4.98 (0–14.06)
8.63 (0–13.28)
Highest
9
4.93 (0–7.64)
5.66 (0–12.17)
7.40 (1.85–12.57)
value
0.291
0.484
0.410
= numbers of townships; RCC = renal cell carcinoma; UTUC = upper tract urothelial carcinoma; LTUC = lower tract urothelial carcinoma. Data are presented as median (range) and express a rate per 100,000 population.
