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Table 4 Results of three different methods for measuring thyroid volume in patients with GH (n = 40)

From: The determination of the optimal threshold on measurement of thyroid volume using quantitative SPECT/CT for Graves' hyperthyroidism

 

Ultrasound

Planar imaging

SPECT/CT 25% threshold automatic delineation

Volume (mL)

31.68 ± 15.04

39.64 ± 15.26

32.73 ± 15.12a

F

 

3.267

 

P

 

 < 0.05

 
  1. a: compared with ultrasound measurement, P = 0.810; compared with planar imaging, P < 0.05; Threshold automatic delineation method of SPECT/CT: CTASCRR, OSEM8i10s, 25% threshold