Regression coefficients, CIs and p values from multiple regression for the studied baseline parameters to predict the need for intravitreal aflibercept from baseline to month 12
| Variable | Coefficients | 95% CI | P value |
| Retinal arteriolar oxygen saturation (group A as reference) | 1.38 | 0.53 to 2.23 | 0.003* |
| Age | −0.01 | −0.04 to 0.03 | 0.64 |
| Duration of diabetes | 0.03 | −0.01 to 0.07 | 0.11 |
| Haemoglobin A1c | −0.01 | −0.04 to 0.02 | 0.43 |
| Mean arterial pressure | −0.03 | −0.08 to 0.02 | 0.18 |
| Visual acuity | 0.02 | −0.07 to 0.11 | 0.69 |
| Central retinal thickness | 0.01 | −0.00 to 0.02 | 0.07 |
| Intercept | 3.50 | −5.59 to 12.58 | 0.44 |
*Indicates p<0.05.