Changes in choroidal thickness in advanced diabetic retinopathy treated with pan-retinal photocoagulation using a pattern scanning laser versus a conventional laser

Table 1 Demographic and clinical characteristics of patients included in the study

	Total (64 eyes)	Conventional laser group (37 eyes)	Pattern laser group (27 eyes)	P-value
Age (years)	55.2 ± 11.7	55.3 ± 11.3	55.1 ± 12.7	0.936^a
Sex M/F (no.)	37/27	22/15	15/12	0.755^b
HbA_1c (%)	8.0 ± 1.8	8.3 ± 2.2	7.8 ± 1.5	0.33^a
Duration of DM (years)	13.2 ± 5.8	13.1 ± 4.8	13.3 ± 6.7	0.56^a
BCVA (logMAR)	0.24 ± 0.25	0.27 ± 0.29	0.21 ± 0.2	0.486^a
IOP (mmHg)	15.2 ± 3.3	14.2 ± 3.6	16.2 ± 2.6	0.068^a
SE (diopter)	−0.73 ± 1.8	−0.63 ± 1.8	−0.75 ± 1.8	0.944^a
PDR/Severe NPDR (no.)	37/27	22/15	15/12	0.477^b
Baseline CRT (μm)	266.2 ± 87.4	284.1 ± 104.7	250.3 ± 67.4	0.166^a

BCVA best-corrected visual acuity, CRT central retinal thickness, DM diabetes mellitus, HbA_1c glycated hemoglobin, IOP intraocular pressure, NPDR non-proliferative retinopathy, PDR proliferative retinopathy, SE spherical equivalent
^aIndependent t-test; ^bchi-square test

ISSN: 1471-2415