Table 4 Width of pubic symphysis relating to age in each view

Pelvis AP (supine)

SWU

6.1±2.1

3.4±1.5

3.4±1.4

4.1±2.7

< 0.001

SWM

4.6±1.7

4.4±1.9

4.4±1.5

5.0±2.3

< 0.001

SWL

9.4±3.8

5.4±3.1

4.3±1.7

4.8±2.4

< 0.001

0–20

(n=10)

21–40

(n=109)

41–60

(n=98)

61–100

(n=63)

Pelvis AP (hip abduction)

HWU

6.6±2.3

3.4±1.3

3.5±1.2

4.5±5.4

0.001

HWM

4.5±1.1

4.3±1.5

4.5±1.5

5.5±4.0

0.010

HWL

8.1±2.7

4.8±2.1

4.1±1.5

5.4±5.2

< 0.001

0–20

(n=8)

21–40

(n=122)

41–60

(n=156)

61–100

(n=212)

Pelvic CT (axial)

AWA

21.0±7.7

15.9±7.3

15.0±6.0

14.3±5.5

0.005

AWN

4.2±1.8

3.0±1.5

2.9±1.4

3.3±1.6

0.020

AWW

5.0±1.8

4.2±1.6

3.8±1.5

4.3±1.5

0.027

AWP

3.9±2.4

2.4±1.4

2.1±1.2

2.3±1.4

0.002

TA

26.0±6.2

27.1±4.9

27.5±5.3

26.9±5.5

0.720

 LAN

8.9±3.2

7.0±2.6

7.0±2.4

6.8±2.3

0.169

 LNW

6.7±2.2

7.6±3.2

8.4±3.4

7.5±2.8

0.029

 LWP

10.4±5.1

12.5±4.5

12.1±4.7

12.5±4.7

0.520

0–20

(n=16)

21–40

(n=157)

41–60

(n=252)

61–100

(n=351)

Pelvic CT (coronal)

CWU

3.9±1.4

2.6±1.5

2.5±1.8

3.6±5.7

0.002

CWW

4.6±1.7

3.5±3.0

3.0±2.2

4.0±6.1

0.033

CWL

18.2±4.5

18.1±5.9

20.3±7.2

21.9±9.6

< 0.001

TC

18.1±3.4

19.3±6.2

20.6±6.9

20.8±7.7

0.085

 LUW

10.8±3.6

14.4±5.8

15.9±6.2

15.5±6.5

0.002

 LWL

7.2±2.6

4.9±3.1

4.7±2.2

5.2±3.1

0.002