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Table 3 Miscategorization of patients with abnormal ECV for published model

From: Extracellular volume fraction measurements derived from the longitudinal relaxation of blood-based synthetic hematocrit may lead to clinical errors in 3 T cardiovascular magnetic resonance

 

False negative

False Positive

Total miscategorizations

 

derivation

validation

derivation

validation

derivation

validation

Healthy, n (%)

0 (0)

1 (4)

0 (0)

1 (4)

0 (0)

2 (7)

T2DM-ECVsyn, n (%)

3 (9)

2 (8)

2 (6)

0 (0)

5 (15)

2 (8)

HCM-ECVsyn-mid ventricle, n (%)

3 (6)

4 (9)

2 (4)

4 (9)

5 (10)

8 (18)

HCM-ECVsyn-IVS, n (%)

2 (4)

6 (14)

4 (8)

1 (2)

6 (12)

7 (16)

HCM-ECVsyn-FW, n (%)

4 (8)

2 (5)

3 (6)

4 (9)

7 (14)

6 (14)

  1. ECVsyn synthetic ECV, IVS interventricular septum, FW free wall