Table 3 Comparison of the parafoveal retinal thickness between analysable RP and control groups.

From: Optical Coherence Tomography Angiography to Estimate Retinal Blood Flow in Eyes with Retinitis Pigmentosa

 Analysable RP groupControl groupP
Eyes (patients), n68 (68)32 (32) 
Parafoveal retinal thickness (ILM–RPE, μm)290 ± 41318 ± 19<0.001*
Parafoveal inner retinal thickness (ILM–IPL, μm)105 ± 24116 ± 110.001*
Parafoveal outer retinal thickness (IPL–RPE, μm)185 ± 20202 ± 11<0.001*
ISe length (μm)1687 ± 8812500<0.001*
  1. Data are presented as means ± standard deviations where applicable.
  2. Analysable RP group: RP patients with analysable quality of the optical coherence tomography angiography images.
  3. RP = retinitis pigmentosa, ILM = internal limiting membrane, IPL = inner plexiform layer, ISe = inner segment ellipsoid band; RPE = retinal pigment epithelium.*P < 0.05, t-test.