| Regression coefficient | 95% CI | p value |
---|---|---|---|
Crudea | 4.33 | 1.39–7.27 | 0.004 |
Adjustedb | 1.80 | −1.46–5.06 | 0.280 |
- Patient gender (male) | 1.43 | −1.45–4.32 | 0.330 |
- Patient age (centred) | 0.05 | −0.05–0.15 | 0.314 |
- Doctor in trainingc vs. specialist | −5.40 | −8.21 to −2.60 | <0.001 |
- Severity of final diagnosis | Â | Â | 0.001* |
 - Not severed |  |  |  |
 - Less severe | 3.20 | 0.11–6.29 |  |
 - Severe | 6.20 | 1.70–10.69 |  |
 - Very severe | 8.44 | −0.17 to 17.05 |  |
- Quality of referral | 0.09 | 0.03–0.15 | 0.004 |