Table 2 Cox proportional-hazards regression models for overall survival, prostate cancer-specific mortality and biochemical recurrence (model 1), adjusted by propensity scores (model 2), and Gleason score (model 3).

Overall Survival

Radical prostatectomy

Ref

Ref

Ref

Brachytherapy

1.67

(1.10—2.52)

0.015

1.32

(0.75 – 2.33)

0.342

1.36

(0.77—2.42)

0.292

External radiotherapy

1.98

(1.28—3.06)

0.002

1.40

(0.78—2.51)

0.259

1.44

(0.80—2.59)

0.222

Propensity score_a

Propensity score_b

1.50

(0.64 – 3.52)

0.347

1.44

(0.57—3.61)

0.442

Gleason score

2.36

(0.96 – 5.78)

0.061

2.33

(0.95—5.74)

0.066

 ≤ 6

Ref

7

0.96

(0.60—1.55)

0.882

Prostate Cancer-Specific Mortality^a

Radical prostatectomy

Ref

Ref

Ref

Brachytherapy

5.55

(0.71—43.24)

0.100

4.45

(0.69 – 28.71)

0.120

4.41

(0.69—28.29)

0.120

External radiotherapy

12.23

(1.61—92.95)

0.016

9.46

(1.55 – 57.79)

0.015

9.37

(1.53—57.21)

0.015

Propensity score_a

1.54

(0.15 – 16.05)

0.720

1.58

(0.17—14.45)

0.690

Propensity score_b

1.85

(0.26 – 12.98)

0.540

1.85

(0.27—12.52)

0.530

Gleason score

 ≤ 6

Ref

7

1.04

(0.31—3.47)

0.960

Biochemical recurrence^a

Radical prostatectomy

Ref

Ref

Ref

Brachytherapy

1.14

(0.78—1.67)

0.490

1.89

(1.20 – 2.95)

0.006

1.93

(1.23—3.03)

0.004

External radiotherapy

1.76

(1.20—2.59)

0.004

2.50

(1.60 – 3.89)

 < 0.001

2.56

(1.64—3.98)

 < 0.001

Propensity score_a

0.34

(0.17 – 0.67)

0.002

0.36

(0.17—0.75)

0.006

Propensity score_b

0.52

(0.26 – 1.05)

0.067

0.52

(0.26—1.06)

0.074

Gleason score

 ≤ 6

Ref

7

1.05

(0.86—1.29)

0.610