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Table 4 Model 2 classification (“ΔrelVascularization index”)

From: Changes in the tumor oxygenation but not in the tumor volume and tumor vascularization reflect early response of breast cancer to neoadjuvant chemotherapy

Observed

Predicted

Percentage of correct

Low response

High response

Low response (n = 46)

27

19

58.7

High response (n = 57)

14

43

75.4

Total

68.0