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Table 2 Classification results

From: Computer algorithm can match physicians’ decisions about blood transfusions

 

Physician judgement

General classification

Need transfusion

No need transfusion

Computer report

 Yes

True positive

3569/3604 (99.0%)

False negative

122/1342 (9.1%)

 

 No

False positive

35/3604 (1.0%)

True negative

1220/1342 (90.9%)

 
   

96.8%

(3569 + 1220)/4946 × 100%

  1. A total of 4946 entries, with 3604 about “need”, and 1342 for “no need”