Table 4

Prognostic factors associated with the main outcome measure (BCVA decrease≥0.3 logMAR) for all patients (CRAO+BRAO)

Visual acuity decrease≥0.3 logMARP value
High blood pressure0.578
Anticoagulants on referral0.622
Antiplatelets on referral0.044
 Embolic heart disease0.576
 Carotid stenosis1.000
High blood pressure on referral to the hyperbaric department0.693
Hypertension during the first hyperbaric session1.000
First hyperbaric session <12 hours after onset of symptoms1.000
HBOT initiated during the first hour of arrival at the hyperbaric oxygen department0.232
Twice daily sessions0.232
No of hyperbaric sessions0.488
Treatment initiated (antiplatelet or anticoagulant)0.587
BCVA on referral0.008
Revascularisation at day 141.000
Revascularisation at day 210.607
CMT on referral0.798
CMT at day 300.905
SCT on referral on EDI0.598
SCT at day 30 on EDI0.931
VD on referral on OCT-A0.560
VD at day 30 on OCT-A0.242
  • BCVA, best-corrected visual acuity; BRAO, branch retinal artery occlusion; CMT, central macular thickness; CRAO, central retinal artery occlusion; EDI, enhanced depth imaging; HBOT, hyperbaric oxygen therapy; logMAR, Logarithm of the Minimum Angle of Resolution; OCT-A, optical coherence tomography-angiography; SCT, subfoveal choroidal thickness; VD, vessel density.