Table 3.
Univariate and multivariate logistic regression model evaluating age and procedure used as potential risk factors associated with loss to follow-up in patients with proliferative diabetic retinopathy.
| LTFU n (%) | Univariate model | Multivariate model | |||
|---|---|---|---|---|---|
| Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | ||
| Procedure | |||||
| IVI | 8 (8.9%) | Reference | Reference | ||
| PRP | 23 (12.78%) | 1.50 (0.64–3.51) | 0.34 | 1.47 (0.62–3.47) | 0.37 |
| PRP + IVI | 45 (22.8%) | 3.04 (1.36–6.74) | 0.006 | 3.43 (1.52–7.73) | 0.003 |
|
| |||||
| Age, years | |||||
| ≥61 | 14 (9.3%) | Reference | Reference | ||
| 51–60 | 34 (17.0%) | 1.99 (1.02–3.85) | 0.04 | 2.42 (1.23–4.78) | 0.01 |
| ≤50 | 28 (23.9%) | 3.05 (1.52–6.12) | 0.002 | 3.53 (1.73–7.19) | 0.001 |
LTFU = loss to follow-up, CI = confidence interval, IVI = intravitreal injection, and PRP = panretinal photocoagulation.