Table 2.
Results by various imputation methods for change of last visit.
Method | Rank sum difference (SE) |
Ta | p-value | GTE |
---|---|---|---|---|
LOCF | −202.6 (37.8) | −5.4 | 8.32 e–8 | 0.127 |
Separate | −111.5 (40.1) | −2.8 | 5.71 e–3 | 0.070 |
MI | −257.1 (42.9) | −6.0 | 9.20 e–9 | 0.161 |
LOCF: last observation carried forward; MI: multiple imputation.