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Table 5 Number of pairs matched using the EpiLink algorithm (1995)

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

Cut off weight

N pairs

N EPICure

% EPICure

N HES

% HES

0.35

45349

662

99.10

38163

7.84

0.40

9329

612

91.62

8533

1.75

0.45

1670

421

63.02

1541

0.32

0.50

492

279

41.77

461

0.09

0.55

213

193

28.89

209

0.04

0.60

157

147

22.01

153

0.03

0.65

117

111

16.62

114

0.02

0.70

78

74

11.08

78

0.02

0.75

51

51

7.63

51

0.01

0.80

20

20

2.99

20

0.00

0.85

8

8

1.20

8

0.00

0.90

0

0

0.00

0

0.00

0.95

0

0

0.00

0

0.00

1.00

0

0

0.00

0

0.00

  1. Table of the number of pairs matched in 1995 from each data set for differing cutoffs in the value of the weight calculated by the EpiLink (Contiero) method of data linkage