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Table 3 Cross-tabulation of diagnosis with respect to ischemia 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 56 15 4 2 0 77
2 36 45 7 17 7 112
3 10 45 31 11 9 106
4 8 17 6 9 10 50
5 4 4 2 10 25 45
Total 114 126 50 49 51 390
  1. 1 = no ischemia; 3 = equivocal; 5 = certain ischemia.