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Table 2 Actual and imputed results for the Al Ragib study between thresholds 0.13 and 0.18

From: Meta-analysis of test accuracy studies: an exploratory method for investigating the impact of missing thresholds

First author Threshold ID, t Threshold value, x Imputed? TP FP FN TN Total High proteinuria Normal proteinuria
Al Ragib 1 0.13 No 35 51 4 95 185 39 146
2 0.14 Yes 34.7 49.1 4.3 96.9    
3 0.15 Yes 34.3 47.3 4.7 98.7    
4 0.16 Yes 33.9 45.5 5.1 100.5    
5 0.17 Yes 33.5 43.7 5.5 102.3    
  6 0.18 No 33 42 6 104    
  1. The imputation is undertaken on the logit-scale, and then the values are back transformed to calculate the corresponding imputed raw data values.
  2. ID ordered identification number, TP true positives, FP false positives, TN true negatives, FN false negatives.