Table 3 Between groups comparison of diabetic retinopathy progression at different study points
No DR | Mild NPDR | Moderate NPDR | Severe NPDR | Early PRD | High-risk PDR | P value (overall) | |||
|---|---|---|---|---|---|---|---|---|---|
Diabetic retinopathy pre-op | IVTA group | Count | 5 | 4 | 12 | 0 | 0 | 0 | 1.00 |
% within group | 23.8% | 19.0% | 57.1% | 0% | 0% | 0% | |||
% within diabetic retinopathy | 45.5% | 40.0% | 41.4% | 0% | 0% | 0% | |||
No injection group | Count | 6 | 6 | 17 | 0 | 0 | 0 | ||
% within group | 20.7% | 20.7% | 58.6% | 0% | 0% | 0% | |||
% within Diabetic retinopathy preop | 54.5% | 60.0% | 58.6% | 0% | 0% | 0% | |||
Diabetic retinopathy 1-month post-op | IVTA group | Count | 2 | 6 | 10 | 2 | 1 | 0 | 0.713 |
% within group | 9.5% | 28.6% | 47.6% | 9.5% | 4.8% | 0% | |||
% within Diabetic retinopathy | 28.6% | 54.5% | 47.6% | 25.0% | 33.3% | 0% | |||
No injection group | Count | 5 | 5 | 11 | 6 | 2 | 0 | ||
% within group | 17.2% | 17.2% | 37.9% | 20.7% | 6.9% | 0% | |||
% within Diabetic retinopathy | 71.4% | 45.5% | 52.4% | 75.0% | 66.7% | 0% | |||
Diabetic retinopathy 3 months post-op | IVTA group | Count | 2 | 3 | 13 | 2 | 1 | 0 | 0.792 |
% within group | 9.5% | 14.3% | 61.9% | 9.5% | 4.8% | 0% | |||
% within Diabetic retinopathy | 50.0% | 37.5% | 50.0% | 28.6% | 33.3% | 0% | |||
No injection group | Count | 2 | 5 | 13 | 5 | 2 | 2 | ||
% within group | 6.9% | 17.2% | 44.8% | 17.2% | 6.9% | 6.9% | |||
% within Diabetic retinopathy | 50.0% | 62.5% | 50.0% | 71.4% | 66.7% | 100% | |||
Diabetic retinopathy 6 months post-op | IVTA group | Count | 2 | 3 | 11 | 4 | 1 | 0 | 0.012 |
% within group | 9.5% | 14.3% | 52.4% | 19.0% | 4.8% | 0.0% | |||
% within Diabetic retinopathy | 100.0% | 37.5% | 68.8% | 33.3% | 16.7% | 0.0% | |||
No injection group | Count | 0 | 5 | 5 | 8 | 5 | 6 | ||
% within group | 0.0% | 17.2% | 17.2% | 27.6% | 17.2% | 20.7% | |||
% within Diabetic retinopathy | 0.0% | 62.5% | 31.3% | 66.7% | 83.3% | 100% | |||