Table 4.

Mean Copy Numbers in AMD Patients and Controls

Genes	Unadjusted			Age-Adjusted
	Control	AMD	P	Control	AMD	P
CCR3	2.00 ± 0.39	1.99 ± 0.42	0.86	1.96 (1.87–2.06)	2.02 (1.93–2.11)	0.42
CFH	2.04 ± 0.37	2.10 ± 0.34	0.24	2.01 (1.92–2.09)	2.13 (2.05–2.21)	0.05*
CX3CR1	2.23 ± 0.47	2.12 ± 0.41	0.05*	2.23 (2.13–2.32)	2.12 (2.04–2.20)	0.10
ERCC6	1.99 ± 0.11	1.98 ± 0.15	0.63	1.99 (1.95–2.02)	1.98 (1.95–2.01)	0.75
HTRA1	2.08 ± 0.27	2.07 ± 0.25	0.86	2.05 (1.99–2.11)	2.09 (2.03–2.15)	0.36
VEGF	2.04 ± 0.19	2.00 ± 0.00	0.07	2.02 (1.99–2.05)	2.01 (1.98–2.04)	0.69
GSTM1	0.91 ± 1.13	0.98 ± 1.12	0.71	0.89 (0.62–1.16)	1.00 (0.74–1.26)	0.60
GSTT1	1.10 ± 0.74	1.28 ± 0.84	0.15	1.10 (0.90–1.29)	1.28 (1.10–1.47)	0.20

Data are presented as mean ± SD in the unadjusted results and as mean (95% CI) in the age-adjusted results. Unadjusted P values were calculated using the t-test, and age-adjusted P values were calculated using analysis of covariance.

^*P = 0.05.