Table 1. Baseline characteristics for the lutein and placebo group (mean ± st dev).

	lutein	placebo	p-value
Gender (m/f)	15/20	14/23	0.81
Age (years)	72 ± 9	69 ± 9	0.14
CFD* (μg/ml)	2.3 ± 1.5	1.9 ± 1.3	0.27
C5a (ng/ml)	2.2 ± 0.7	2.21 ± 0.6	0.95
C3d (μg/ml)	15.4 ± 8.6	15.5 ± 7.2	0.99

* CFD: Complement Factor D