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Table 1 Patients’ characteristics (n = 54)

From: Prognostic value of the bone scan index using a computer-aided diagnosis system for bone scans in hormone-naive prostate cancer patients with bone metastases

Median age, years (range) 72 (55–89)
Median observation period, months (range) 21.4 (0.9–57.8)
Median PSA, ng/mL (range) 247.0 (9.7–4206.0)
PSA distribution, n (%)  
 <10 ng/mL 1 (1.7)
 10- < 20 ng/mL 2 (3.3)
 20- < 100 ng/mL 15 (25.0)
 100- < 500 ng/mL 20 (33.3)
 ≥500 ng/mL 22 (36.7)
Gleason scores, n (%)  
 ≤6 0 (0.0)
 7 7 (11.7)
 8 24 (40.0)
 9 19 (31.7)
 10 10 (16.7)
T stage, n (%)  
 T1 0 (0.0)
 T2 1 (1.7)
 T3 43 (71.7)
 T4 16 (26.7)
N stage, n (%)  
 N0 24 (40.0)
 N1 36 (60.0)
M stage, n (%)  
 M1b 51 (85.0)
 M1c 9 (15.0)
Median BSI, % (range) 1.9 (0.0–13.2)
EOD, n (%)  
 1 21 (35.0)
 2 20 (33.3)
 3 15 (25.0)
 4 4 (6.7)
  1. PSA prostate-specific antigen, BSI bone scan index, EOD extent of disease
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