From: A comparison of clinicopathologic features of prostate cancer between Nigerian and South African black men
Disease category
Country
Total N = 234 n (%)
Nigeria n = 117 n (%)
South Africa n = 117 n (%)
High
108 (54.8)
89 (45.2)
197 (100.0)
Intermediate
6 (27.3)
16 (72.7)
22 (100.0)
Low
3 (20.0)
12 (80.0)
15 (100.0)