Table 1.
Differences in the sex distribution, age of patients at the onset of diabetes mellitus (DM), and duration of DM between diabetic retinopathy (DR) and diabetic without retinopathy (DWR) patients
| Parameters | Studied diabetic patients (n = 70) | Test of significance | P value | |||
|---|---|---|---|---|---|---|
|
|
||||||
| DR group (n = 50) | DWR group (n = 20) | |||||
|
|
|
|||||
| n | % | n | % | |||
| Sex | ||||||
| Male | 32 | 64 | 13 | 65 | χ2 = 0.006 OR (95% CI) = 0.96 (0.32–2.83) | >0.05 |
| Female | 18 | 36 | 7 | 35 | ||
| Age of onset of DM in years (SD) | 57.0 ± 6.52 | 59.2 ± 4.28 | t = 1.37 | >0.05 | ||
| Duration of DM (SD) | 15.4 ± 7.23 | 14.4 ± 3.02 | t = 0.61 | >0.05 | ||
Abbreviations: χ2, chi-squared test; CI, confidence interval; OR, odds ratio; SD, standard deviation; t, Student’s t-test.