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Table 4 PCa disease risk classification (adaptation*1 of D’Amico’s risk criteria)

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)
  1. χ2 = 11.8 (df = 2), p = 0.003