Table 3.

Comparison of Complement Levels in Age Subgroups of Male AMD Patients and Controls

	AMD	Control	t value	P value
Male
Age≤56
C1q(mg/dL)	206.85±22.40	173.52±50.85	2.074	0.056a
C3(mg/dL)	121.02±16.51	119.93±19.85	0.158	0.875a
C4(mg/dL)	29.01±6.46	33.10±39.03	−0.342	0.734a
56<age≤65
C1q(mg/dL)	176.01±34.39	172.35±35.36	0.309	0.759a
C3(mg/dL)	120.05±15.62	114.13±17.49	1.045	0.304a
C4(mg/dL)	25.61±8.18	26.28±7.81	−0.247	0.806a
65<age≤71
C1q(mg/dL)	201.21±42.47	214.05±16.90	−0.413	0.685a
C3(mg/dL)	112.91±13.88	133.56±11.27	−2.046	0.059a
C4(mg/dL)	29.07±8.51	26.69±25.07	0.302	0.767a
Age>71
C1q(mg/dL)	195.46±33.86	220.03±44.93	−1.742	0.092a
C3(mg/dL)	121.38±18.67	120.23±25.80	0.145	0.886a
C4(mg/dL)	26.21±6.37	31.59±7.89	−1.955	0.067a

Note: ^aIndependent samples t-test.