Clinical Observation of Intraosseous Anesthesia in Percutaneous Kyphoplasty

Table 1

Comparison of indicators between the two groups.

Indicators	A (n = 24)	B (n = 21)	t (x^2)
Sex (male/female)	10/14	4/17	2.674^△	0.102
Age (years)	70.88 ± 9.93	74.00 ± 11.02	−1.001	0.906
The hospitalization time (days)	5.96 ± 1.49	6.10 ± 1.14	−0.343	0.229
Operation time (minutes)	34.58 ± 8.96	31.43 ± 7.93	1.243	0.207
Volume of bone cement injection (ml)	9.35 ± 2.53	7.96 ± 1.55	2.343	0.131
Preoperative VAS scores	7.46 ± 0.83	7.10 ± 0.83	1.460	0.505
VAS scores for intraoperative balloon expansion	7.28 ± 0.59	8.08 ± 0.50^※	−5.286	0.048
VAS scores for intraoperative injection of bone cement	7.28 ± 0.75	8.17 ± 0.48^※	−5.016	0.002
VAS scores for end of operation	2.46 ± 1.02	3.57 ± 3.94	−1.334	0.095
VAS scores for 6 hours after operation	0.67 ± 0.64	0.67 ± .97^※	0.000	0.023

Note. All data were expressed as‾x ± s. △ represents x² value; ^※ represents .