Table 1.

Clinical data and clinical outcomes of the two groups

	Group A	Group B	P value
No. of patients (n)	70	40
Male/female (n)	21/49	16/24
Mean age (years)	76.13 ± 15.20	75.08 ± 17.60	0.612
Follow-up (months)	60.50 ± 15.20	58.20 ± 17.60	0.650
BMD	−3.9 ± 0.8	−4.0 ± 0.6	0.521
BMI	23.2 ± 4.2	24.8 ± 3.3	0.801
Hospitalization time (days)	3.2 ± 1.5	6.0 ± 2.5	0.0001
Surgery time (minutes)	30.50 ± 10.50	70.70 ± 20.60	0.0001
Smoker/non-smoker	9/61	5/35	0.411
With/without DM	15/55	8/32	0.320
With/without hypertension	35/35	18/22	0.895
With/without coronary disease	11/59	7/33	0.305
Surgical haemorrhage (ml)	10.80 ± 5.20	100.30 ± 30.50	0.0001
Cement volume (ml)	5.09 ± 0.65	5.15 ± 0.35	0.765
VAS score
before treatment	6.5 ± 1.88	7.0 ± 1.35	0.554
final follow-up	2.60 ± 0.55*	1.01 ± 0.25*	0.012
ODI score
before treatment	41.15 ± 5.02	40.98 ± 3.53	0.574
final follow-up	40.75 ± 3.52	4.83 ± 1.15*	0.0001

*before treatment vs final follow-up, P < 0.05