Table 4 Methods for handling missing data in sensitivity analysis in 14 trials
From: Statistical analysis and handling of missing data in cluster randomized trials: a systematic review
Sensitivity method | Primary analysis | N | Total N (%) |
|---|---|---|---|
Complete case | MI | 2 | 3 (21) |
Mixed model | 1 | ||
Single imputation | Complete case | 1 | 4 (29) |
Single imputation | 1 | ||
Mixed model | 2 | ||
MI | Complete case | 3 | 5 (36) |
Mixed model | 1 | ||
Unclear | 1 | ||
Mixed model | Complete case | 1 | 1 (7) |
Mixed model with IPW | Complete case | 1 | 1 (7) |