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Table 2 Summary of studies measuring incidence of pelvic insufficiency fractures (PIFs) among cancer patients receiving pelvic radiation therapy

From: A multi-disciplinary model of survivorship care following definitive chemoradiation for anal cancer

Study

Era

No. patients

Median time to fracture/total follow-up

Median total dose (Gray)

Disease site

Study Incidencea

5-year actuarial incidenceb

Bazire et al. [72] 2017

2007–2014

341

11 mo./38 mo.

50.3

52% cervical 32% endometrial 16% anal

4.4% Radiographic (R)

Not given

3.2% Symptomatic (S)

Shih et al. [73] 2013

2000–2008 37% IMRT

222

12 mo./47 mo.

50.4

65% endometrial 35% cervical

5.0% (R)

5.1% (R)

3.2% (S)

Uezono et al. [74] 2013

2003–2009

99

14 mo./21 mo.

50.4

cervical

33% (R)

63% (R)

20% (S)

Kim et al. [75] 2012

1998–2007

492

46 mo./42 mo.

50.4

rectal

7.1% sacral fracture (R)

Not given

Tokumaru et al. [76] 2012

2004–2007

59

not given/24 mo.

49

cervical

36%(R)

Not given

15% (S)

Schmeler et al. [77] 2010

2001–2006 3% IMRT

300

14 mo./21 mo.

45

cervical

9.7% (R)

Not given

4.3% (S)

Herman et al. [78] 2009

1989–2004

562

17 mo./49 mo.

45

rectal

2.7% sacral fracture (R)

Not given

1.2% sacral fracture (S)

Oh et al. [79] 2008

1998–2005

557

13 mo./30 mo.

45

cervical

15%(R)

20% (R)

8.6% (S)

11% (S)

Kwon et al. [80] 2008

1998–2005

510

17 mo./14 mo.

50.4

cervical

20% (R)

45% (R)

8.4% (S)

Ikushima et al. [81] 2006

1993–2004

158

6 mo./43 mo.

45

96% cervical 4% endometrial

11% (S)

13% (S)

Baxter et al. [82] 2005

1986–1999

399 women age 65+

not given/47 mo.

Not given

anal

14% (unclear R/S)

14% (unclear R/S)

Ogino et al. [83] 2003

1983–1998

335 post-menopausal

8 mo./39 mo.

49.4

cervical

17% (R)

18% (S)

14% (S)

Tai et al. [84] 2000

1991–1995

336

11 mo./29 mo.

Not given

endometrial vaginal

4.8% (S)

2.1% (S)

  1. aIncidence calculated over variable study period
  2. b5-year actuarial incidence calculated with Kaplan Meier analysis