Long-term follow-up result of short metaphyseal femoral stem in primary total hip arthroplasty: A retrospective study

Table 1 Demographic data

Demographic variable	Result
Age (year), mean ± SD	44 ± 7.5
Side of surgery as left/right/bilateral	72/52/26
Indication	Avascular necrosis with secondary arthritis (n =65); femoral neck fracture (n = 22); ankylosing spondylitis (n = 13); psoriatic arthritis (n = 12); post-infection sequelae (n = 12)
Mean duration of surgery (minute), mean ± SD	140 ± 25
Average blood loss (mL), mean ± SD	160 ± 50
Follow-up (year)	15