From: Accounting for treatment use when validating a prognostic model: a simulation study
Scenario | Method | |||||
---|---|---|---|---|---|---|
Reference: untreated | Ignore treatment | Exclude treated | IPW | IPW, exclude | IPWtrunc exclude | |
1 | 0.67 (0.02) | 0.63 (0.02) | 0.65 (0.03) | 0.66 (0.03) | 0.66 (0.05) | 0.65 (0.04) |
2 | 0.67 (0.02) | 0.66 (0.02) | 0.67 (0.03) | 0.66 (0.02) | 0.67 (0.03) | 0.67 (0.03) |
3 | 0.67 (0.02) | 0.59 (0.03) | 0.65 (0.03) | 0.64 (0.03) | 0.66 (0.05) | 0.65 (0.04) |
4 | 0.67 (0.02) | 0.59 (0.03) | 0.60 (0.04) | 0.59 (0.08) | 0.57 (0.15) | 0.60 (0.05) |
5 | 0.67 (0.02) | 0.62 (0.02) | 0.65 (0.03) | 0.66 (0.03) | 0.67 (0.03) | 0.66 (0.03) |
6 | 0.67 (0.02) | 0.64 (0.02) | 0.65 (0.03) | 0.66 (0.03) | 0.66 (0.03) | 0.66 (0.03) |
7 | 0.67 (0.02) | 0.66 (0.02) | 0.65 (0.03) | 0.67 (0.03) | 0.67 (0.03) | 0.66 (0.03) |
8 | 0.67 (0.02) | 0.60 (0.03) | 0.65 (0.03) | 0.66 (0.03) | 0.66 (0.05) | 0.65 (0.04) |
9 | 0.67 (0.02) | 0.65 (0.02) | 0.65 (0.03) | 0.66 (0.03) | 0.66 (0.05) | 0.65 (0.04) |
10 | 0.67 (0.02) | 0.61 (0.03) | 0.65 (0.05) | 0.66 (0.05) | 0.66 (0.08) | 0.65 (0.06) |
11 | 0.67 (0.02) | 0.64 (0.03) | 0.65 (0.05) | 0.66 (0.05) | 0.66 (0.08) | 0.65 (0.06) |
12 | 0.67 (0.02) | 0.66 (0.02) | 0.65 (0.05) | 0.66 (0.04) | 0.66 (0.08) | 0.65 (0.06) |
13 | 0.66 (0.02) | 0.63 (0.02) | 0.63 (0.03) | 0.65 (0.03) | 0.64 (0.05) | 0.63 (0.04) |
14 | 0.65 (0.02) | 0.63 (0.02) | 0.60 (0.04) | 0.62 (0.03) | 0.61 (0.04) | 0.60 (0.04) |
15 | 0.62 (0.02) | 0.61 (0.03) | 0.57 (0.05) | 0.58 (0.03) | 0.57 (0.05) | 0.57 (0.05) |