Table 3 Prognostics factors of 10 years prostate cancer mortality derived from Cox regression analysis among prostate cancer patients with prostatectomy

Surgical Margin

  Negative^b

775

12

1.6

1

0.010

  Positive

479

21

4.4

2.54*

(1.25-5.16)

Age class

  <60

342

12

3.5

1

0.004

1

0.001

  60-69

721

10

1.4

0.39*

(0.17-0.91)

0.28**

(0.11-0.66)

  ≥70

191

11

5.8

1.68

(0.74-3.81)

1.31

(0.56-3.02)

Period

  1990-99

303

17

5.6

1

0.156

  2000-08

951

16

1.7

0.60

(0.29-1.22)

Method of detection

  Screening

1046

23

2.2

1.00

0.109

  Symptoms

97

8

8.3

2.34*

(1.04-5.28)

  Other

111

2

1.8

0.89

(0.21-3.76)

Surgeon caseload

  High (>50)

1007

18

1.8

1

0.006

  Middle (15–50)

166

12

7.2

3.68***

(1.78-7.63)

  Low (<15)

75

3

4.0

2.31

(0.68-7.84)

  Unknown

6

0

0.0

-

Clinical T

  cT0-cT1

261

2

0.8

1

0.359

  cT2

456

13

2.9

2.92

(0.66-13.0)

  cT3

125

6

4.8

4.33

(0.87-21.5)

  cTx

412

12

2.9

3.06

(0.69-13.7)

Pathological T

  pT0-pT2

868

7

0.8

1

<0.001

1

0.0387

  pT3-pT4

386

26

6.7

6.97***

(3.02-16.1)

2.61*

(1.05-6.48)

PSA level

  0-9

662

10

1.5

1

<0.001

1

0.0379

  10-20

192

7

3.7

1.71

(0.65-4.52)

1.02

(0.38-2.76)

  21+

89

12

13.5

6.40***

(2.75-14.9)

2.89*

(1.18-7.08)

  Unknown

311

4

1.3

0.63

(0.20-2.01)

0.76

(0.23-2.46)

Gleason

  2-6

715

4

0.6

1

<0.001

1

<0.001

  7

431

12

2. 8

6.59**

(2.12-20.5)

5.28**

(1.67-16.7)

  8-10

97

16

16.5

37.8***

(12.6-113)

22.53***

(7.10-71.5)

  Unknown

11

1

9.1

12.6*

(1.40-113)

10.59*

(1.04-107)

Tumour percentage^c

  <10%

756

6

0.8

1

<0.001

  ≥10%

435

24

5.5

5.88***

(2.40-14.4)

  Unknown

63

3

4.8

4.46*

(1.11-17.9)

Radiotherapy^d

  No

1067

23

2.2

1

0.038

  Yes

187

10

5.4

2.19*

(1.04-4.61)

Total

1254

33

2.63