Skip to main content

Table 7 Linkage error measures (1995)

From: Investigating increased admissions to neonatal intensive care in England between 1995 and 2006: data linkage study using Hospital Episode Statistics

Linkage algorithm Cutoff True matches PPV Sensitivity
EM 10 1408 0.025 0.512
EpiLink (Contiero) 0.35 1501 0.237 0.546
Fellegi-Sunter (baseline model) 10 1740 0.039 0.633
Fellegi-Sunter (Dattani estimates) 15 1665 0.031 0.606
  1. Positive predictive value (PPV) and sensitivity of results obtained using different methods for linkage between the HES and EPICure data sets in 2006. EM: estimation-maximisation, FS: Fellegi-Sunter