Table 1.
= 1000 |
= 5000 |
= 10000 |
||||||||
---|---|---|---|---|---|---|---|---|---|---|
Scenario | Updating method | = 1000 | = 5000 | = 10 000 | = 1000 | nu= 5000 | nu= 10 000 | = 1000 | = 5000 | = 10 000 |
No population shift | Not updating | 94 | 7.7 | 0 | 100 | 99.7 | 87 | 100 | 100 | 100 |
Intercept correction | 1.2 | 1.3 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | |
Linear recalibration | 4.8 | 7.1 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | |
Flexible recalibration | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Model refitting | 0 | 83.8 | 100 | 0 | 0 | 13 | 0 | 0 | 0 | |
Increased event rate | Not updating | 43.6 | 0.1 | 0 | 43.4 | 0 | 0 | 48.1 | 0 | 0 |
Intercept correction | 48 | 5.2 | 0 | 56.6 | 99.2 | 81.7 | 51.9 | 100 | 100 | |
Linear recalibration | 8.4 | 4.4 | 0 | 0 | 0.8 | 5.2 | 0 | 0 | 0 | |
Flexible recalibration | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Model refitting | 0 | 90.3 | 100 | 0 | 0 | 13.1 | 0 | 0 | 0 | |
Less variable case mix | Not updating | 79.9 | 22.5 | 1 | 100 | 88.5 | 68.4 | 100 | 96.3 | 89.4 |
Intercept correction | 14.1 | 14.6 | 0.5 | 0 | 10.3 | 21.1 | 0 | 3.6 | 7 | |
Linear recalibration | 6 | 20.7 | 1.6 | 0 | 1.2 | 5.2 | 0 | 0.1 | 3.6 | |
Flexible recalibration | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Model refitting | 0 | 42.1 | 96.9 | 0 | 0 | 5.3 | 0 | 0 | 0 | |
More variable case mix | Not updating | 59 | 0 | 0 | 95.5 | 60.1 | 15.8 | 96.4 | 74.7 | 74.9 |
Intercept correction | 30.4 | 0 | 0 | 4.5 | 28.4 | 13.3 | 3.6 | 24.7 | 18 | |
Linear recalibration | 8.2 | 0.2 | 0 | 0 | 1.7 | 7.8 | 0 | 0.4 | 3.5 | |
Flexible recalibration | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Model refitting | 2.4 | 99.8 | 100 | 0 | 9.8 | 63.1 | 0 | 0.2 | 3.6 | |
Association changes | Not updating | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Intercept correction | 0 | 0 | 0 | 3.6 | 0 | 0 | 2.4 | 0 | 0 | |
Linear recalibration | 0 | 0 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | |
Flexible recalibration | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
Model refitting | 100 | 100 | 100 | 96.4 | 100 | 100 | 96.5 | 100 | 100 |