Table 2

Change in diameter in the groups compared using a paired two tailed Student’s t test. (Initial length/final length group A) − (initial length/final length group B). Average difference between the groups and p value is given

BDR − DMONDR − DMONDR − BDR
Average SD p Value Average SD p Value Average SD p Value
Superotemporal arteriolar branch0.13460.16450.01630.16240.16430.00570.02780.09650.3399
Inferotemporal arteriolar branch0.16660.15380.00320.20720.16040.00090.04060.10210.1959
Superotemporal arteriole0.16350.0786<0.00010.11880.09610.0013−0.04470.06330.0323
Inferotemporal arteriole0.07170.10790.04200.08510.09150.00810.01350.11750.6993
Superotemporal venular branch0.19390.22670.01290.18680.16360.0023−0.00710.19830.9041
Inferotemporal venular branch0.06700.15400.16010.13070.11620.00250.06370.11880.0901
Superotemporal venule0.07090.14140.11010.08030.11870.03890.00940.12660.8018
Inferotemporal venule0.03610.09090.19660.07010.07670.00900.03400.08370.1864
  • BDR = background diabetic retinopathy; DMO = diabetic macular oedema; NDR = no diabetic retinopathy.