Effect of Surgical Timing on the Refracture Rate after Percutaneous Vertebroplasty: A Retrospective Analysis of at Least 4-Year Follow-Up

Table 1

Demographic data and clinical characteristics.

	Surgical  d	Surgical  d	value
Number	118	72
Age (year)	73.14(8.49)	71.21(9.83)	0.153
Sex (male/female)	25/93	12/60	0.588
Height (cm)	155.07(6.37)	154.90(6.74)	0.866
Weight (kg)	55.74(9.17)	53.53(9.68)	0.115
BMI (kg/m^2)	23.14(3.27)	22.29(3.67)	0.099
PKP/PVP/PKP+PVP	51/66/1	27/43/2	0.467
BMD ( scores)	2.60 (1.16)	2.77 (1.20)	0.340
Smoking	14	7	0.648
Drinking	13	5	0.352
Hypertension	47	23	0.274
Diabetes	15	10	0.816
Coronary heart disease	14	9	0.896
Cerebral infarction	8	4	0.736
Lung diseases	8	7	0.466