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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”