Table 2.
The Values of Collected Data from Both Groups
| variable | COVID Group | Control Group | P value |
|---|---|---|---|
| Age | 55.5±6.2 years | 56.5±5.8 years | 0.70 |
| Sex | 57/43 (M*/F**) | 51/49 (M/F) | 0.39 |
| Systemic history | |||
| -Diabetes mellitus | 23% | 17% | 0.29 |
| -Hypertension | 15% | 23% | 0.15 |
| -Heart disease | 8% | 7% | 0.79 |
| -Autoimmune disease | 6% | 5% | 0.76 |
| Past ocular history | |||
| -Vascular occlusion | 6% | 5% | 0.76 |
| -Neurological disorders | 8% | 7% | 0.79 |
| Family history | Not significant | Not significant | |
| COVID-19 history | |||
| -Duration of admission | 25.5±7.2 days | ||
| -Assisted ventilation | 12% | ||
| Laboratory | |||
| D-dimer | 884.28±1031.42 ng/mL**** | 465.44±692.78 ng/mL**** | <0.001 |
| Elevated ESR*** | 28% | 11% | <0.002 |
Notes: *male; **female; ***Erythrocytes sedimentation rate; ****Nano gram/milliliter.