Thoracic paravertebral block versus local infiltration anesthesia for percutaneous kyphoplasty to treat osteoporotic vertebral compression fractures combined with intercostal neuralgia: a randomized controlled trial

Table 4 Comparisons of clinical and radiologic results between the two groups

	TPVB (n = 30)	LI (n = 30)	t(Z)	p
VAS
Preoperative	5(5–6)	6(5–6)	Z=-1.531	0.126
1 day Postoperative	2(2–2) *	3(3–3) *	Z=-5.849	< 0.001^#
6 months Postoperative	2(2–2) *	2(2–2) *	Z=-0.278	0.781
ODI
Preoperative	64.13 ± 5.61	63.80 ± 4.37	t = 0.257	0.798
1 day Postoperative	20.47 ± 3.14*	22.53 ± 4.20*	t=-2.159	0.035^#
6 months Postoperative	16.07 ± 2.43*	16.60 ± 2.98*	t=-0.759	0.451
SF-36 bp
Preoperative	22(21–31)	22(21–31)	Z=-0.077	0.939
1 day Postoperative	84(84–84) *	84(74–84) *	Z=-2.367	0.018^#
6 months Postoperative	84(84–84) *	84(84–84) *	Z=-0.398	0.691
SF-36rp
Preoperative	25(25–25)	25(25–25)	Z=-0.032	0.975
1 day Postoperative	75(75–75) *	75(50–75) *	Z=-1.156	0.248
6 months Postoperative	75(75–100) *	75(75–100) *	Z=-0.322	0.748
AVBHr (%)
Preoperative	78.21 ± 12.65	78.99 ± 11.69	t=-0.249	0.804
1 day Postoperative	88.35 ± 11.83*	87.85 ± 7.73*	t = 0.192	0.849
6 months Postoperative	83.09 ± 11.63*	83.30 ± 9.67*	t=-0.076	0.940
The Cobb angle (°)
Preoperative	16.97 ± 7.18	19.13 ± 8.70	t=-1.051	0.297
1 day Postoperative	13.03 ± 6.14*	15.70 ± 7.37*	t=-1.522	0.133
6 months Postoperative	16.37 ± 7.03*	19.10 ± 8.86*	t=-1.323	0.191

* Repeated measures variance analysis was used for the statistical analysis. There were significant differences (p < 0.05) between 1 day Postoperative or 6 months Postoperative and preoperative values of these 2 groups
^# Independent samples t-test was used for the statistical analysis. There were significant differences (p < 0.05) between the 2 groups
TPVB: Thoracic paravertebral block; LI: Local infiltrative; VAS: visual pain analog scale; ODI: Oswestry disability index; SF-36 rp: short-form 36 health survey domains role physical; SF-36 bp: short-form 36 health survey domains bodily pain

ISSN: 1471-2253