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Table 2 Imputation process, in order of execution, for each of the datasets in the integrated dataset

From: A holistic comparative analysis of diagnostic tests for urothelial carcinoma: a study of Cxbladder Detect, UroVysion® FISH, NMP22® and cytology based on imputation of multiple datasets

Imputation step Model inputs Imputed variable output  
  Datasets Variables Dataset Variable Number of samples imputed
1 5 Age, gender, cytology, FISH, Cxbladder Detect 5 NMP22 2
2 5 Age, gender, NMP22, FISH, Cxbladder Detect 5 Cytology 3
3 1, 4, 5 Age, gender, cytology, NMP22 4 Cxbladder Detect 193
4 1, 2, 3, 4, 5 Age, gender, cytology, Cxbladder Detect 2 NMP22 80
   3 NMP22 80
5 3, 4, 5 Age, gender, cytology, Cxbladder Detect 3 FISH 68
6 2, 4, 5 Age, gender, cytology, Cxbladder Detect 2 FISH 80
7 1, 4, 5 Age, gender, cytology, Cxbladder Detect 1 FISH 474
  1. Note: all imputations maintain at least a 70 % level of known data