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Table 1 Demographics and dimensions by gender

From: Proximal femoral anatomy and collared stems in hip arthroplasty: is a single collar size sufficient?

  

Female hips (n = 54)

Males hips (n = 150)

p-value

Mean

±SD

Median

Range

Mean

±SD

Median

Range

 

Age

(yrs)

74.8

±12.6

77.0

(41.0

- 93.0)

66.2

±11.2

66.0

(35.0

- 89.0)

<0.001

Femoral Head Diameter

(mm)

43.8

±2.4

44.5

(38.0

- 48.0)

49.1

±2.6

49.0

(43.0

- 56.0)

<0.001

Cortical distance

(mm)

8.6

±2.0

9.0

(3.0

- 13.0)

10.7

±2.6

10.0

(5.0

- 24.0)

<0.001

Medio-lateral Offset

(mm)

40.5

±4.3

39.8

(31.3

- 51.2)

45.3

±5.1

45.1

(32.7

- 65.0)

<0.001

Stem size

(1–10)

3.7

±1.7

3.0

(1.0

- 8.0)

5.7

±1.7

6.0

(2.0

- 9.0)

<0.001

Femoral Neck Angle

(deg)

126.2

±5.8

125.9

(112.3

- 136.4)

124.9

±5.6

124.8

(110.5

- 140.8)

0.165

Varus Stem Model

 

40.7%

    

40.7%