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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