Prediction model | Severe disease course outcome | Non-achievement of remission outcome | Validation method |
---|---|---|---|
Original Canadian model | 0.85 (0.83–0.87) | 0.66 (0.63–0.68) | External validation (bootstrapping) |
Canadian model fine-tuned for Nordic population | 0.85 (0.81–0.89) | 0.69 (0.65–0.73) | Fine-tuning (repeated random splits) |
Nordic model | 0.90 (0.86–0.92) | 0.78 (0.72–0.82)a | Internal validation (repeated random splits) |