Table 3 The relationship between prosthesis specific-survival and patient characteristics

Age

≥50 yr

48

97.1

p = 0.045*

<50 yr

52

85.2

Gender

male

51

85

p = 0.298

female

49

95.5

Diagnosis

primary

64

86.5

p = 0.057

metastasis

36

100

Location

proximal femur

49

93.6

p = 0.275

distal femur

39

86.3

proximal tibia

12

80.9

BMI

≥25

11

79.5

p = 0.246

<25

89

96.3

Chemotherapy

yes

57

90.9

p = 0.561

no

43

89.3

Radiation

yes

3

100

p = 0.622

no

97

90

Diaphyseal/stem coefficient

≥2.50

30

91.5

p = 0.630

<2.50

70

89.9