Table 4 Comparison between PHEO and PGL, and between non-metastatic and metastatic PPGL.

From: Evaluating the diagnostic accuracy of 99mTc-labeled somatostatin receptor imaging for suspected pheochromocytomas and paragangliomas

  

PHEO

PGL

 

Non-metastatic PPGL

Metastatic PPGL

 

Variable

Overall, N = 541

N = 46 (85%)1

N = 8 (15%)1

p-value 2

N = 47 (87%)1

N = 7 (13%)1

p-value 2

Age

50.50 [36.00, 58.00]

50.50 [36.00, 56.75]

53.00 [36.75, 64.00]

0.584

50.00 [35.50, 58.50]

53.00 [43.00, 54.50]

0.887

Sex

   

0.706

  

0.047

 Female

28 (51.85%)

23 (50.00%)

5 (62.50%)

 

27 (57.45%)

1 (14.29%)

 

 Male

26 (48.15%)

23 (50.00%)

3 (37.50%)

 

20 (42.55%)

6 (85.71%)

 

Tumor size (cm)

4.85 [3.43, 6.08]

4.75 [3.33, 6.18]

5.10 [4.80, 5.23]

0.817

4.80 [3.35, 5.50]

8.70 [5.05, 10.70]

0.058

KS

   

0.491

  

0.750

 0

3 (5.56%)

3 (6.52%)

0 (0.00%)

 

3 (6.38%)

0 (0.00%)

 

 1

5 (9.26%)

4 (8.70%)

1 (12.50%)

 

5 (10.64%)

0 (0.00%)

 

 2

14 (25.93%)

10 (21.74%)

4 (50.00%)

 

11 (23.40%)

3 (42.86%)

 

 3

21 (38.89%)

19 (41.30%)

2 (25.00%)

 

19 (40.43%)

2 (28.57%)

 

 4

11 (20.37%)

10 (21.74%)

1 (12.50%)

 

9 (19.15%)

2 (28.57%)

 

TBR

2.10 [1.33, 3.43]

2.19 [1.38, 3.73]

1.29 [1.04, 2.05]

0.141

2.08 [1.28, 3.35]

2.25 [1.45, 4.88]

0.562

  1. 1Mean (SD); Median [IQR]; n (%). 2Wilcoxon rank sum test; Fisher’s exact test. PHEO, pheochromocytoma; PGL, paraganglioma; KS, Krenning score; TBR, ratio between the maximal counts within the lesion and the mean counts within the liver.