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Table 5 Recording of cause of death the GPRD in a random sample of patients who died in 2001

From: The freetext matching algorithm: a computer program to extract diagnoses and causes of death from unstructured text in electronic health records

Source of cause of death Number of patients Percentage
MCCD information in 88 2.7
structured data area   
Read term on or after 1179 35.6
date of death   
Read term before date 207 6.5
of death   
MCCD information in 82 2.5
free text   
Free text stating 43 1.3
cause of death   
Other free text 517 15.6
No cause of death 1194 36.1
Total 3310 100