Table 3.
Estimation and testing of α1 (truth is 0.5): light censoring dependent on Y.
Method | Bias | SD | SE | MSE | Type 1 error | Power | |
---|---|---|---|---|---|---|---|
n = 100 | No Censoring | 0.0060 | 0.2709 | 0.2624 | 0.0689 | 0.052 | 0.524 |
Complete Case | 0.0484 | 0.3702 | 0.3619 | 0.1333 | 0.050 | 0.348 | |
Single Imputation1 | −0.0104 | 0.3199 | 0.3016 | ||||
Multiple Imputation | 0.0087 | 0.3003 | 0.3199 | 0.0709 | 0.048 | 0.366 | |
Deletion Thresholding | −0.0375 | 0.2306 | 0.2342 | 0.0563 | 0.055 | 0.119 | |
Complete Thresholding | −0.0343 | 0.2117 | 0.2151 | 0.0474 | 0.052 | 0.102 | |
Reverse Survival2 | 0.048 | 0.416 | |||||
n = 250 | No Censoring | 0.0001 | 0.1605 | 0.1605 | 0.0258 | 0.047 | 0.872 |
Complete Case | 0.0368 | 0.2278 | 0.2222 | 0.0507 | 0.051 | 0.690 | |
Single Imputation1 | −0.0174 | 0.3301 | 0.1819 | ||||
Multiple Imputation | 0.0222 | 0.2144 | 0.2103 | 0.0447 | 0.046 | 0.722 | |
Deletion Thresholding | 0.1278 | 0.1544 | 0.1539 | 0.0400 | 0.048 | 0.377 | |
Complete Thresholding | 1.2149 | 0.1335 | 0.1352 | 1.4938 | 0.046 | 0.251 | |
Reverse Survival2 | 0.049 | 0.754 |
: MSE, type I error and power not reported due to invalid SE for single imputation
: bias, SD and SE not reported due to non-interpretability of estimate from reverse survival regression