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Table 4 Cross-tabulation of diagnosis with respect to infarction made by physicians (first versus second acquisition)

From: When is reacquisition necessary due to high extra-cardiac uptake in myocardial perfusion scintigraphy?

First acquisition Second acquisition
  1 2 3 4 5 Total
1 112 27 4 0 0 143
2 30 58 11 9 1 109
3 4 22 14 11 3 54
4 2 7 5 11 16 41
5 0 2 2 4 35 43
Total 148 116 36 35 55 390
  1. 1 = no infarction; 3 = equivocal; 5 = certain infarction.