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 3 Comparisons of intraoperative conditions between the two groups

	TPVB (n = 30)	LI (n = 30)	t(Z)	p
VAS
T1	2(1–2)	2(2–3)	Z =-2.570	0.010
T2	3(2–3)	4(3–4)	Z =-4.702	< 0.001
T3	3(3–4)	4(3–5)	Z =-4.016	< 0.001
T4	3(2–3)	3.5(3–4)	Z =-4.278	< 0.001
T5	2(2–2)	3(3–3)	Z =-5.609	< 0.001
PAS	3(3–3)	2(2–3)	Z =-4.396	< 0.001
MAP(mmHg)
T1	97.31 ± 16.05	98.39 ± 20.75	t=-0.225	0.823
T2	98.64 ± 15.37	100.25 ± 16.68	t=-0.387	0.700
T3	97.98 ± 14.30	99.50 ± 18.08	t=-0.362	0.719
T4	98.46 ± 15.95	99.88 ± 17.75	t=-0.326	0.745
T5	96.09 ± 13.86	96.43 ± 18.66	t=-0.081	0.936
HR(bpm)
T1	80.93 ± 14.89	80.37 ± 12.80	t = 0.158	0.875
T2	82.60 ± 14.52	83.33 ± 12.12	t=-0.212	0.833
T3	83.87 ± 14.33	83.37 ± 10.83	t = 0.152	0.879
T4	83.70 ± 15.09	84.77 ± 12.14	t=-0.302	0.764
T5	81.60 ± 12.32	81.83 ± 11.20	t=-0.077	0.939

TPVB: Thoracic paravertebral block; LI: Local infiltrative;
VAS: visual pain analog scale. PAS: patients’ anesthesia satisfaction. VAS and PAS values are expressed as medians (25th-75th percentile) or numbers
MAP: mean arterial pressure. HR: heart rate. MAP and HR value are expressed as mean ± SD

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