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Table 1 Data from medical records registered manually in System X and data extracted from the same records by Medrave 4

From: Program for data extraction in primary health records: a valid tool for knowledge production in general practice?

 

System X-manually

Medrave 4

N

Mean

N

Mean

Age (years)

86

62.2

88

62.2

Female

33

 

33

 

Male

53

 

53

 

SBP (mmHg)

86

144.5

79

146.4

DBP (mmHg)

86

85.8

79

87.0

Creatinine (μmol/L)

86

83.9

86

83.9

Total cholesterol (mmol/L)

86

6.1

86

6.1

HDL (mmol/L)

86

1.36

86

1.36

LDL (mmol/L)

86

2.79

86

2.79

Triglycerides (mmol/L)

86

1.78

86

1.78

  1. Number of records (N) and mean of values for patients with valid values. Medrave 4 did not find SBP and DBP in seven records