Effect of systemic hypertension status on need for PRP.
| Patients’ requirement for PRP | Patients with DM and hypertension | Patients with DM and without hypertension | Patients with DM and grade 1 hypertension | Patients with DM and grade 2 hypertension |
| Required PRP | 18 (32%) | 3 (9%) | 7 (22%) | 11 (46%) |
| Required no PRP | 38 (68%) | 31 (91%) | 25 (78%) | 13 (54%) |
| Total | 56 (100%) | 34 (100%) | 32 (100%) | 24 (100%) |
| n=90 | OR 4.3 (1.3–13.8), χ2 6.41, p value 0.01 | χ2 11.5. p value 0.003 | ||
PRP, panretinal photocoagulation.