Table 2.
Reporting of missing data in articles using multiple imputation
| Type of studies | |||
|---|---|---|---|
| Characteristics reported | Trials | Observational studies | All studies |
| N (%)* | N (%)* | N (%)* | |
| (n = 73) | (n = 30) | (n = 103) | |
| Missingness | |||
| Availability of any information about the amount of missing data/complete cases | 46 (63) | 23 (77) | 69 (67) |
| Proportion of complete cases was stated/available | 31 (42) | 10 (33) | 41 (40) |
| Median [Range] % complete cases | 88 [47-99] | 41 [28-74] | 84 [28-99] |
| Proportion of missing by each variable was stated/available | 36 (49) | 19 (63) | 55 (53) |
| Assessed differences between individuals with complete and incomplete data in text? | 8 (11) | 5 (17) | 13 (13) |
| Provided a table | 3 | 4 | 7 |
| Statement regarding missing data mechanism assumed in the analysis | 13 (18) | 7 (23) | 20 (19) |
*Unless otherwise stated.