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. 2023 Jan 12;15:1–12. doi: 10.2147/NSS.S384372

Table 5.

Rank Correlation (ρ) Between Polysomnographic Variables and Ophthalmologic Variables in All Participants

Peripapillary VD Superficial Layer Peripapillary VD Deep Layer Peripapillary VD Choroid Layer Macular VD Superficial Layer Macular VD Choroid Layer Global RNFL Thickness
ρ p ρ p ρ p ρ p ρ p ρ p
AHI −0.257 0.0007* −0.197 0.0102* −0.220 0.0039* −0.199 0.0094* −0.186 0.0152* −0.214 0.0054*
LSaO2 0.314 <0.0001* 0.230 0.0028* 0.133 0.0867 0.245 0.0014* 0.123 0.1141 0.132 0.0916
ODI −0.264 0.0005* −0.206 0.0074* −0.218 0.0045* −0.243 0.0015* −0.170 0.0277* −0.188 0.0158*

Notes: ρ: Spearman’s coefficient of rank correlation. *Statistically significant.

Abbreviations: OSA, obstructive sleep apnea/hypopnea syndrome; VD, vascular density; RNFL, retinal nerve fiber layer; AHI, apnea/hypopnea index; LSaO2, lowest saturation of oxygen; ODI, oxygen desaturation index.