"Table 5: Recall calculations split into best-case, worst-case, and intermediate estimates, SLD (UK, 1975 to 2011) and 2011 Census linked data asset"
" ","3/3 match
agreement","2/3 match
agreement","1/3 match
agreement","0/3 match
agreement","True positive
estimate used",Recall
"Worst case
(lower bound)
recall",False negative,False negative,False negative,True negative,"Worst case
true positive
estimate",85.3%
"Intermediate
estimate of
recall",False negative,False negative,True negative,True negative,"Intermediate
true positive
estimate",95.7%
"Best Case
recall",False negative,True negative,True negative,True negative,"Best case
true positive
estimate",99%
Source: ,Service Leavers Database to 2011 Census linked data asset from the Office for National Statistics