Table 2.

Perioperative characteristics of the patients.

Data	Average	Minimum	Maximum
Age (years)	69.9 ± 9.2	54	93
Course (days)	41.1 ± 45.9	3	180
BMD (T-Score)	− 3.2 ± − 0.6	− 2.5	− 4.2
Hospital stay (days)	5.6 ± 2.7	2	15
Operation time (min)	82.8 ± 32.5	40	160
Blood loss (mL)	76.9 ± 31.7	20	150
Cement (mL)	6.4 ± 1.2	4.5	8.0
Follow-up (months)	29.9 ± 13.6	6	54

BMD bone mineral density.