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Table 3 Characteristics of the lesions in the MDG and NMDG on 99mTc-MIBI SPECT/CT images

From: The role of 99mTc-MIBI SPECT/CT in patients with secondary hyperparathyroidism: comparison with 99mTc-MIBI planar scintigraphy and ultrasonography

Characteristics

MDG (n = 41)

NMDG (n = 116)

P

LBR

3.42 ± 1.28

6.75 ± 5.08

 < 0.001*

Maximum Diameter (mm)

9.32 ± 2.69

15.03 ± 4.94

 < 0.001*

Volume (mm3)

208.51 ± 163.22

863.85 ± 1216.0

 < 0.001*

CTmean (HUs)

51.77 ± 17.49

57.12 ± 15.38

0.067

Location

  

0.119

Upper left

13 (31.7%)

22 (19.0%)

 

Upper right

13 (31.7%)

35 (30.2%)

 

Lower left

7 (17.1%)

24 (20.7%)

 

Lower right

8 (19.5%)

33 (28.4%)

 

Ectopic

0 (0.0%)

2 (1.7%)

 
  1. MDG missed diagnosis group, NMDG non-missed diagnosis group, LBR the lesion to background ratio, HUs Hounsfield units
  2. *P < 0.05, MDG versus NMDG