Optical Coherence Tomography Parameters in Morbidly Obese Patients Who Underwent Laparoscopic Sleeve Gastrectomy

Table 1

Preoperative and 3-month and 6-month postoperative values.

Parameter	Preoperative	3-month postoperative	6-month postoperative	value
Body mass index (kg/m^2)	47.9 ± 4.5	37.6 ± 4.4	31.7 ± 3.6	<0.01^1
Intraocular pressure (mmHg)	17.8 ± 2.6	16.3 ± 2.1	15.6 ± 2.0	<0.01^2
Retinal nerve fiber layer (μm)	93.4 ± 12.3	93.6 ± 11.8	93.5 ± 11.6	0.90^2
Rimarea (mm^2)	1.47 ± 0.28	1.47 ± 0.26	1.48 ± 0.28	0.34^2
Discarea (mm^2)	1.75 ± 0.29	1.74 ± 0.31	1.75 ± 0.31	0.64^2
Cup/disk vertical ratio	0.34 ± 0.17	0.35 ± 0.17	0.35 ± 0.17	0.39^1
Cup volume (mm^3)	0.076 ± 0.085	0.078 ± 0.083	0.077 ± 0.085	0.08^1
Central macular thickness (μm)	237.4 ± 24.5	239.3 ± 24.1	240.4 ± 24.5	<0.01^2
Total macular volume (mm^3)	9.88 ± 0.52	9.96 ± 0.56	9.99 ± 0.56	<0.01^2
Subfoveal choroidal thickness (μm)	309.8 ± 71.8	331.0 ± 81.4	352.7 ± 81.4	<0.01^2
Retinal ganglion cell layer (µm)	81.2 ± 6.5	82.7 ± 6.6	82.9 ± 6.5	<0.01^2

Data are mean ± SD.
¹Repeated measures ANOVA test; ²Friedman test.