Table 1.

Patient backgrounds.

Characteristics	Parameter	N
Age (years)	Mean	35
	Range	9–79
Sex (N)	Male	59
	Female	66
Perioperative cx (N)	Yes	84
	No	41
Femoral stem fixation (N)	cement-type	52
	cementless-type	73
Femoral component (N)	90 mm	7
	110 mm	19
	130 mm	23
	150 mm	30
	170 mm	19
	190 mm	8
	>210 mm	19
Stem length (N)	130 mm	120
	170 mm	5
TLP/SL (ratio)		1.65–3.23
Stem diameter (N)	cement-type
	10 mm	4
	11 mm	26
	12 mm	12
	13 mm	10
	cementless-type
	10 mm	1
	11 mm	1
	12 mm	46
	13 mm	14
	14 mm	7
	15 mm	4

cx: chemotherapy, TLP/SL: ratio of total length of prostheses/stem length.