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Table 1 Recall and precision of UrgIndex in the test phase (n = 100 medical records)

From: Evaluation of natural language processing from emergency department computerized medical records for intra-hospital syndromic surveillance

 

Number of medical concepts evaluated

Number of correctly processed concepts

(true positives)

Number of medical concepts proposed by UrgIndex

Recall *

Precision §

    

(%)

95% confidence interval

(%)

95% confidence interval

Respiratory syndrome

966

816

1,002

84.5

82.0-86.7

81.4

78.9-83.8

Cutaneous syndrome

986

858

1,115

87.0

84.8-89.1

77.0

74.4-79.4

Total

1,952

1,674

2,117

85.8

84.1-87.3

79,1

77.3-80.8

  1. UrgIndex- Processing of emergency services medical narrative records (DMU) of the University of Lyon's Hôpital de la Croix-Rousse, France
  2. *Recall = Number of relevant processed concepts (true positives)/number of medical concepts evaluated (manually coded by the medical epidemiologist)
  3. §Precision = Number of relevant processed concepts (true positives)/number of medical concepts proposed by UrgIndex
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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