Assessment of central retinal thickness, choroidal thickness, and retinal nerve fiber layer in psoriasis: a spectral-domain optical coherence tomography study

Table 2 Optical coherence tomography parameters among the groups

Parameter (µm)	Psoriasis (n = 33)	Control (n = 33)	P value
CRT	253.79 ± 20.77	254.33 ± 19.51	0.913^b
Subfoveal CT	360.97 ± 67.10	354.15 ± 57.63	0.659^b
Temporal CT
500 μm	345.06 ± 63.29	341.21 ± 54.26	0.792^b
1000 μm	335.18 ± 62.63	332.91 ± 53.40	0.874^b
1500 μm	328.61 ± 62.57	321.00 ± 57.68	0.609^b
Nasal CT
500 μm	336.21 ± 63.37	329.76 ± 53.56	0.656^b
1000 μm	318.52 ± 67.46	311.85 ± 55.13	0.662^b
1500 μm	304.85 ± 66.45	299.97 ± 57.22	0.750^b
Average RNFL	94.79 ± 13.50	94.76 ± 7.60	0.991^b
Temporal RNFL	66.76 ± 12.48	66.55 ± 6.63	0.932^b
Nasal RNFL	71.00 ± 11.07	68.82 ± 9.88	0.401^b
Superior RNFL	119.12 ± 20.20	117.55 ± 13.86	0.713^b
Inferior RNFL	126 (116–130)	125 (121–134)	0.480^a
Average mGCIPL	86 (83–89)	87 (84–88)	0.964^a

Data are given as mean ± standard deviation or median (minimum–maximum) according to normality of distribution. CRT central retinal thickness, CT choroidal thickness, RNFL retinal nerve fiber layer, mGCIPL macular ganglion cell-inner plexiform layer
^aMann–Whitney U test, ^bindependent t-test

ISSN: 1471-2415