N |  | OR(a) = 1.5, OR(b) = 1.5 | OR(a) = 2.5, OR(b) =1.5 | OR(a) = 1.5, OR(b) = 2.5 | OR(a) = 2.5, OR(b) = 2.5 | ||||
---|---|---|---|---|---|---|---|---|---|
 |  | PSm | IPTW | PSm | IPTW | PSm | IPTW | PSm | IPTW |
40 | Type I error | 0.055 | 0.048 | 0.053 | 0.056 | 0.052 | 0.039 | 0.052 | 0.047 |
 | Bias | 0.05 | 0.057 | 0.049 | 0.07 | 0.059 | 0.055 | 0.048 | 0.079 |
 | % | 5.6 | 6.5 | 5.4 | 7.8 | 7.1 | 6.6 | 5.7 | 9.4 |
 | Variance | 0.875 | 0.593 | 0.918 | 0.694 | 0.873 | 0.576 | 0.903 | 0.683 |
 | MSE | 0.878 | 0.597 | 0.92 | 0.699 | 0.876 | 0.579 | 0.905 | 0.690 |
60 | Type I error | 0.045 | 0.046 | 0.047 | 0.046 | 0.044 | 0.039 | 0.044 | 0.039 |
 | Bias | 0.058 | 0.036 | 0.058 | 0.049 | 0.048 | 0.022 | 0.05 | 0.033 |
 | % | 6.4 | 4 | 6.4 | 5.4 | 5.7 | 2.6 | 6 | 3.9 |
 | Variance | 0.511 | 0.36 | 0.553 | 0.414 | 0.484 | 0.329 | 0.516 | 0.388 |
 | MSE | 0.514 | 0.362 | 0.556 | 0.416 | 0.486 | 0.33 | 0.519 | 0.389 |
100 | Type I error | 0.049 | 0.046 | 0.047 | 0.046 | 0.047 | 0.034 | 0.04 | 0.036 |
 | Bias | 0.023 | 0.018 | 0.02 | 0.022 | 0.021 | 0.015 | 0.025 | 0.016 |
 | % | 2.6 | 2 | 2.2 | 2.5 | 2.5 | 1.8 | 2.9 | 1.9 |
 | Variance | 0.254 | 0.194 | 0.282 | 0.223 | 0.242 | 0.177 | 0.261 | 0.204 |
 | MSE | 0.255 | 0.194 | 0.283 | 0.223 | 0.243 | 0.177 | 0.262 | 0.204 |
500 | Type I error | 0.049 | 0.046 | 0.05 | 0.048 | 0.041 | 0.038 | 0.042 | 0.037 |
 | Bias | 0.01 | 0.007 | 0.012 | 0.008 | 0.01 | 0.005 | 0.013 | 0.005 |
 | % | 1.1 | 0.8 | 1.3 | 0.9 | 1.2 | 0.6 | 1.5 | 0.6 |
 | Variance | 0.04 | 0.034 | 0.045 | 0.038 | 0.037 | 0.032 | 0.042 | 0.035 |
 | MSE | 0.04 | 0.034 | 0.045 | 0.038 | 0.037 | 0.032 | 0.042 | 0.035 |