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Table 1 Baseline characteristics of study subjects

From: Comparison of digital image analysis and visual scoring of KI-67 in prostate cancer prognosis after prostatectomy

Characteristics Patients (n = 225)
Age (years), mean (SD) 63.2 (6.1)
Pre-op PSA (ng/mL), mean (SD) 12.8 (15.5)
Clinical tumor stage, n (%)  
T1 73 (32.5)
T2 142 (63.1)
T3 5 (2.2)
NA 5 (2.2)
Gleason score, n (%)  
≤6 92 (40.9)
7 93 (41.3)
≥8 40 (17.8)
Pathological stage, n (%)  
pT2a 7 (3.1)
pT2b 3 (1.3)
pT2c 60 (26.7)
pT3a 100 (44.4)
pT3b 55 (24.4)
Margin status, n (%)  
0 (negative) 71 (31.6)
1 (positive) 154 (68.4)
Nodal status, n (%)  
N0 186 (82.7)
N1 39 (17.3)
High risk score (pT3N + M+), n (%)  
0 32 (14.2)
1 192 (85.8)
NA 1 (0.0)
Biochemical recurrence, n (%)  
No 119 (52.9)
Yes 106 (47.1)
Death by prostate cancer, n (%)  
No 215 (95.6))
Yes 10 (4.4)
Death by other causes, n (%)  
No 191 (84.9))
Yes 34 (15.1)
Death – all causes, n (%)  
No 181 (80.4)
Yes 44 (19.6)
Time to BCR (years), mean (SD) 6.8 (4.5)
Time to DPCa (years), mean (SD) 10.6 (3.1)
  1. DIA: digital image analysis; PSA: prostate-specific antigen; BCR: biochemical recurrence; DPCa: Death by prostate cancer; SD: standard deviation; NA: non available; N+: nodal involvement; M+: positive margins