Table 4 Factors associated with the likelihood of no active treatment in men with PCa from clinical registries in SA and Victoria

 2009 (Ref)

1

1

  2010

1.16

0.98–1.37

1.26

1.02–1.55

  2011

1.32

1.13–1.53

1.43

1.18–1.73

  2012

1.37

1.18–1.59

1.82

1.51–2.21

  2013

1.43

1.23–1.66

2.63

2.16–3.22

  < 55 (Ref)

1

1

  56–65

1.29

1.11–1.49

1.48

1.24–1.76

  65–75

1.38

1.19–1.59

2.03

1.69–2.44

   > 75

2.01

1.71–2.36

5.83

4.56–7.45

 SA (Ref)

1

1

  Victoria

1.74

1.54–1.95

1.49

1.16–1.65

 Metropolitan (Ref)

1

1

 Regional/Rural

1.07

0.97–1.18

1.02

0.88–1.19

 Lowest 0–20 % (Ref)

1

1

 Lowest 21–40 %

0.96

0.81–1.14

0.85

0.69–1.07

 Lowest 41–60 %

0.97

0.82–1.15

0.97

0.77–1.22

 Highest 61–80 %

1.04

0.88–1.22

0.98

0.79–1.21

  Highest 81–100 %

1.28

1.11–1.48

1.32

1.07–1.63

 TRUS (Ref)

1

1

  TURP

5.23

4.61–5.93

6.19

5.08–7.54

 Other

0.80

0.65–0.98

1.27

0.93–1.74

  < 4 (Ref)

1

1

  4.01–10

0.81

0.73–0.91

1.15

0.89–1.34

  10.01–20

0.62

0.53–0.72

1.65

0.92–2.07

   > 20.01

0.36

0.29–0.44

1.31

0.89–1.91

 Grade Group 1 (Gleason score ≤ 6) [Ref]

1

1

 Grade Group 2 (Gleason score 3 + 4)

0.19

0.17–0.22

0.33

0.27–0.42

 Grade Group 3 (Gleason score 4 + 3)

0.09

0.07–0.12

0.13

0.09–0.17

 Grade Group 4 (Gleason score 8)

0.06

0.05–0.08

0.08

0.05–0.13

 Grade Group 5 (Gleason score >8)

0.07

0.06–0.09

0.07

0.05–0.12

 Low (Ref)

1

1

  Intermediate

0.17

0.15–0.19

0.35

0.28–0.44

  High

0.09

0.08–0.12

0.23

0.15–0.34

  V.high/Metastatic

0.02

0.02–0.06

0.06

0.03–0.11