Table 7.

AP activity associated with homozygosity for the listed genotypes

Comparison	Protective Genotype	Mean AP Activity	Risk Genotype	Mean AP Activitya	P-value
1	C3 R102	96.17	C3 G102	58.39	0.001
2	C3P314	97.35	C3 L314	60.29	0.004
3	CFH Y402	85.95	CFH H402	78.47	0.05
4	C3 R102 + P314	82.49	C3 G102 + L314	60.29	0.005

^aAP activity expressed as APH50 value except comparison 3, which is %AP value.