Table 3.

Onset age for primary FSGS in African Americans stratified by G1 or G2 APOL1 risk alleles

Onset Age (years)0 or 1 APOL1 Risk Alleles (n = 64)2 APOL1 Risk Alleles (n = 118)
<159%5%
15–3942%70%
≥ 4048%25%
  • The distribution of onset ages for primary FSGS onset is shown. P = 0.0003 for the 3x2 contingency table by Fisher's exact test.