Table 3. Univariable logistic regression analyses on ‘treatment failure’*.
| Exposure factor | No. of patients | Odds ratio (Exp (B)) | 95% C.I. for Exp (B) |
|---|---|---|---|
| Categorical | |||
| Referral by | |||
| Other ophthalmologist (reference) | 149 | - | - |
| General practitioner | 48 | 0.168 | 0.071–0.399 |
| Patient | 8 | 0.987 | 0.238–4.093 |
| Other | 2 | 0.000 | 0.000 |
| Year of presentation | |||
| 2009 (reference) | 14 | - | - |
| 2010 | 15 | 0.667 | 0.153–2.903 |
| 2011 | 31 | 2.444 | 0.664–9.000 |
| 2012 | 34 | 0.478 | 0.134–1.704 |
| 2013 | 29 | 0.706 | 0.196–2.544 |
| 2014 | 39 | 0.560 | 0.163–1.926 |
| 2015 | 47 | 0.469 | 0.139–1.578 |
| Severity at diagnosis | |||
| Stage 1 (reference) | 52 | - | - |
| Stage 2 | 89 | 0.945 | 0.454–1.965 |
| Stage 3 | 62 | 3.491 | 1.608–7.581 |
| Pain management | |||
| None (reference) | 85 | - | - |
| Paracetamol | 22 | 2.077 | 0.685–6.294 |
| NSAIDs | 37 | 4.708 | 1.961–11.301 |
| Opioids | 49 | 28.385 | 10.862–74.176 |
| Corticosteroid use before diagnosis | |||
| No (reference) | 69 | - | - |
| Yes | 137 | 4.104 | 2.089–8.066 |
| Linear | |||
| Age at presentation, years | 206 | 1.056 | 1.035–1.077 |
| Total delay, days | 185 | 1.012 | 1.003–1.021 |
*Only exposure factors with P<0,1 are shown.
Exp (B) = exponentiation of the B coefficient, C.I. = confidence interval.