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Table 2 Miscategorization of patients with abnormal ECV for local 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 (%) 2 (6) 3 (12) 1 (3) 0 (0) 3 (9) 3 (12)
HCM-ECVsyn-mid ventricle, n (%) 1 (2) 6 (14) 2 (4) 5 (11) 3 (6) 11 (25)
HCM-ECVsyn-IVS, n (%) 2 (4) 6 (14) 5 (10) 1 (2) 7 (9) 7 (16)
HCM-ECVsyn-FW, n (%) 3 (6) 3 (7) 3 (6) 3 (7) 6 (12) 6 (14)
  1. ECVsyn synthetic ECV, IVS interventricular septum, FW free wall