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Table 1 Summary data for studies comparing outcomes between biopsy and prostatectomy included for this review

From: Old men with prostate cancer have higher risk of Gleason score upgrading and pathological upstaging after initial diagnosis: a systematic review and meta-analysis

Author (year )

Study characteristic a

Patient characteristic

Study region (interval)

Study size, n

No. Gleason score change, n (%)

No. Upstaging, n (%)

Definition of Gleason score change (from bGS to pGS)

Definition of upstaging

Mean age, years

Mean PSA, ng/mL

Mean PV, mL

bGS

Clinical T-stage

No. cores obtained, n

Audenet 2017 [14]

France (2006–2013)

1791

1093(61.0)

≤ 6 to ≥ 7

NA

NA

NA

≤ 6

T1c–3b

10–14

Bullock 2019 [15]

UK (2011–2016)

17598

4489(25.5)

Any upgrading

63.2

10.06

NA

> 7: 14%

T1–4

NR

Dinh 2015 [16]

USA (2010–2011)

10288

4467(43.4)

992(9.6)

≤ 6 to ≥ 7

cT1–2N0 to pT3a–4N0–1

59.5

5.2

NA

≤ 6

T1c–2a

12

Dinizo 2018 [6]

USA (2003–2014)

2256

784(34.8)

163(7.2)

≤ 6 to ≥ 7

cT1–2 to pT3a–4

NA

NA

NA

≤ 6

T1–2a

≥ 12

Epstein 2012 [17]

USA (2002–2010)

5071

1841(36.3)

≤ 6 to ≥ 7

NA

NA

NA

≤ 6

T1–2a

NR

Ferro 2019 [18]

Italy (2006–2013)

260

166(63.8)

≤ 6 to ≥ 7

62.2

5.8

51.9

> 3 + 4: 13%

T1c–2a

Median 10, Range 6–40

Gondo 2015 [9]

USA (2005–2013)

1317

115(8.7)

3 + 4 to ≤ 6

NA

NA

NA

3 + 4

T1c–4

≥ 12

Jalloh 2015 [19]

USA (1990–2012)

4231

1123(26.5)

499(11.8)

≤ 6 to ≥ 7

cT1–2N0 to pT3a–4N0–1

59.9

NA

NA

≤ 6

T1–2

Mean 9.15

Jeon 2017 [10]

USA and Korea (2006–2015)

854

484(56.7)

88(10.3)

≤ 6 to ≥ 7

cT1–2 to pT3a–4

NA

NA

NA

≤ 6

T1c–2a

NR

Leeman 2019 [11]

Germany (1992–2017)

3571

115(3.2)

245(6.9)

≤ 6 to ≥ 7

cT1–2 to pT3a–4

NA

NA

NA

≤ 6

T1c–2

Median 9

Luzzago 2018 [20]

Italy (2012–2016)

383

134(35.0)

bGS≤ 6, cT1–2N0 to pGS ≥ 7 and/or pT3a–4N0–1

NA

NA

NA

≤ 6

T1c–2a

≥ 12

Lyon 2016 [21]

USA (1999–2015)

1256

647(51.5)

≤ 6 to ≥ 7

NA

NA

NA

≤ 6

T1–4

≥ 6

Kim 2013 [22]

Korea (2005–2011)

451

194(43.0)

≤ 6 to ≥ 7

64

8.79

38.1

≤ 6

T1–2

Mean 11.5, Range 2–27

Kwon 2016 [23]

USA (2006–2015)

217

58(26.7)

≤ 6 to ≥ 7

NA

NA

NA

≤ 6

T1–2a

NR

Magheli 2010 [24]

Germany (1999–2004)

610

308(50.5)

≤ 6 to ≥ 7

NA

NA

NA

≤ 6

T1–2

NR

Martin 2017 [25]

USA (2005–2008)

136

19(14.0)

≤ 7 to ≥ 8

NA

NA

NA

≤ 7

T1c–2

≥ 10

Mizuno 2016 [26]

Japan (2005–2011)

284

154 (54.2)

bGS ≤ 6, cT1–2 to pGS ≥ 7 and/or pT3a–4

NA

NA

NA

≤ 6

T1c–2a

NR

Morlacco 2016 [5]

USA (2006–2014)

1190

156(13.1)

205(17.2)

3 + 4 to ≥ 4 + 3

cT1–2 to pT3a–4

NA

NA

NA

3 + 4

T1c–2a

Median 12, IQR 12–14

201(16.9)

3 + 4 to ≤ 6

295 (24.8)

bGS = 3 + 4, cT1–2N0 to pGS ≥ 4 + 3 and/or pT3a–4N0–1

Oh 2012 [27]

Korea (2003–2010)

505

253(50.1)

≤ 6 to ≥ 7

65.2

7.79

39.5

≤ 6

T1c–2a

≥ 12

Pietzak 2014 [28]

USA (1998–2008)

400

-

49(12.3)

cT1-2 to pT3a-4

NA

NA

NA

≤ 6

T1c–2a

≥ 10

Shoag 2020 [29]

USA (2010–2015)

11025

2255(45.2)

Any downgrading

NA

NA

NA

6–10

T1–3

NR

Weiner 2015 [30]

USA (2010–2011)

17943

8113(45.2)

bGS ≤ 6, cT1-2N0 to pGS ≥ 7 and/or pT3a–4N0–1

NA

NA

NA

≤ 6

T1–2a

NR

Wong 2012 [31]

Canada, Australia and UK (2003–2010)

644

333

bGS ≤ 6, cT1–2 to pGS ≥ 8 and/or pT3a–4

NA

NA

NA

≤ 6

T1–2a

8–12

Zanaty 2018 [12]

Canada (2006–2014)

237

134(56.5)

≤ 6 to ≥ 7

58.6

38.4

5.03

NR

T1c–2a

NR

  1. PSA prostate-specific antigen, PV prostate volume, bGS biopsy Gleason score, pGS prostatectomy Gleason score, NA not available, IQR interquartile range
  2. aAll studies were case-control designs