Table 3.

Baseline serum levels of biomarkers compared to severity of DR (ETDRS classification).

	ETDRS 10	ETDRS 20-35
	n = 140	n = 201	p
CML (log-transformed)	2.35 ± 0.28	2.36 ± 0.26	n.s.
Lam-P1 (log-transformed)	2.46 ± 0.47	2.41 ± 0.47	n.s.
ADMA (log-transformed)	1.91 ± 0.27	1.90 ± 0.30	n.s.

n.s. Not significant.