Table 2. Comparison results of operative conditions of patients between the two groups.

Group	Operation time (min)	Bone cement injection amount (mL)	Intraoperative radiation times (times)
PKP Group (n=39)	51.59±9.14	5.25±1.37	105.9±31.93
S-PKP Group (n=33)	30.76±4.82	5.32±1.29	47.42±11.88
t	12.346	−0.248	10.602
P	<0.001	0.805	<0.001