Direct Photocoagulation Guided by Merged Retinal Images for the Treatment of Focal Diabetic Macular Edema

Table 1

Baseline characteristics at the time of registration.

	MIG-PC group^a ()	FG-PC group^b ()	value
Mean age (years)	65.3 ± 6.3	63.6 ± 7.2	0.47^a
Mean hemoglobin A1c (%)	7.2 ± 0.3	7.5 ± 0.4	0.42^a
Insulin therapy	15 (53.6%)	13 (48.1%)	0.58^a
Left eye : right eye	12 : 14	14 : 13	0.64^b
Gender (male/female)	16/12	15/12	0.57^b
Mean duration of DM (years)	13.3 ± 2.3	12.6 ± 2.1	0.48^b
Mean serum creatinine	2.11 ± 0.32	2.04 ± 0.22	0.38^a

^aMann–Whitney test; ^bchi-square test; DM: diabetes mellitus; MIG-PC: merged image-guided photocoagulation; FG-PC: fluorescein angiography-guided photocoagulation.