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Table 3 Clinical and imaging characteristics of patients with solitary adrenal mass

From: A clinicopathological analysis of adrenal tumors in patients with history of extra-adrenal cancers

Clinical and imaging feature Total (%) PB (n = 38, 55.1%) PSM (n = 31, 44.9%) P value
Age (years)     0.071
 ≤ 55 35 (50.7) 23(65.7) 12(34.3)  
 > 55 34 (49.3) 15(44.1) 19(55.9)  
Gender     0.019
 Male 36 (52.2) 15 (41.7) 21 (58.3)  
 Female 33 (47.8) 23 (69.7) 10 (30.3)  
Size     < 0.001
 < 3.2 cm 43(62.3) 31 (72.1) 12 (27.9)  
 ≥ 3.2 cm 26(37.7) 7 (26.9) 19 (73.1)  
Imaging diagnosis     < 0.001
 Malignant 42 (60.9) 16 (38.1) 26 (61.9)  
 Benign 27 (39.1) 22 (81.5) 5 (18.5)  
The number of risk factors
 < 1 10 (14.5) 10 (100) 0 (0.0) 0.002
 ≥ 1 59 (85.5) 28 (47.5) 31 (52.5)  
 < 2 36 (52.2) 29 (80.6) 7 (19.4) < 0.001
 ≥ 2 33 (47.8) 9 (27.3) 24 (72.7)  
 < 3 57 (82.4) 37 (64.9) 20 (35.1) < 0.001
 ≥ 3 12 (17.6) 1 (8.3) 11 (91.7)  
  1. PSM primary or secondary malignancies found in patient with history of extra-adrenal malignancy
  2. PB primary benign tumors found in patient with history of extra-adrenal malignancy
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