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Table 3 Macular microstructure of the study eyes in the three groups

From: Macular perfusion density evaluation in constant and intermittent exotropia by means of optical coherence tomography angiography

Items XT vs Control group IXT vs Control group XT vs IXT group
(95% CI) (95% CI) (95% CI)
6 × 6-mm OCTA macular scans
 SCP (%,Mean ± SD) −0.66 (− 2.14, 0.81) − 0.23 (− 1.56, 1.10) −0.43 (− 2.05, 1.18)
 DCP (%,Mean ± SD) −7.28* (− 10.57, −3.99) −3.86* (−6.83, − 0.90) −3.42 (− 7.01, 0.18)
3 × 3-mm OCTA macular scans
 SCP (%,Mean ± SD) − 1.14 (− 2.59, 0.31) − 0.49 (− 1.77, 0.78) −0.64 (− 2.20, 0.91)
 DCP (%,Mean ± SD) −2.61* (− 4.62, − 0.60) −2.70* (− 4.46, − 0.93) 0.09 (− 2.07, 2.24)
 FAZ parameters
  Area (mm2) −0.032 (− 0.084, 0.025) −0.006 (− 0.055, 0.042) −0.024 (− 0.084, 0.035)
  Perimeter (mm) − 0.099 (− 0.320, 0.121) −0.028 (− 0.221, 0.166) −0.071 (− 0.308, 0.165)
  AI 0.005 (− 0.015, 0.024) 0.002 (− 0.015, 0.019) 0.003 (− 0.018, 0.024)
 Macular thickness (μm, Mean ± SD) 1.972 (− 6.266, 10.210) 4.681 (− 2.545, 11.906) −2.708 (− 11.557, 2.545)
  1. XT constant exotropia, IXT intermittent exotropia, OCTA optical coherence tomography angiography, SCP superficial capillary plexus, DCP deep capillary plexus, FAZ foveal avascular zone, AI acircularity index, SD standard deviation, CI confidential interval; *indicates p < 0.05