. 2020 Dec 20;40(12):1804–1809. [Article in Chinese] doi: 10.12122/j.issn.1673-4254.2020.12.16

4.

两组腰腿痛患者治疗后NRS评分的比较

Comparison of NRS scores between the two groups after treatment

Group	n	Low back pain NRS score (score, Mean±SD)				Lower limb pain score (score, Mean±SD)
Group	n	Before treatment	2 weeks after discharge	1 month after discharge	3 months after discharge	Before treatment	2 weeks after discharge	1 month after discharge	3 months after discharge
LTEB: Lumbar transforaminal epidural block; NRS: Numerical rating scale; F_{Low back pain intra subject}=10.269, P=0.001; F_{Low back pain inter subject}=1.512, P=0.229; F_{Low back pain interaction}=1.743, P=0.183; F_{Lower limb pain intra subject}=34.938, P=0.001; F_{Lower limb pain inter subject}=12.380, P=0.002; F_{Lower limb pain interaction}=6.307, P=0.002; ^aP < 0.05, comparison between LTEB and control group.
Control	45	3.5±2.1	2.4±1.6	2.1±1.4	2.2±1.1	7.9±1.2	5.2±1.3	4.7±1.7	4.9±1.6
LTEB	33	4.0±2.6	1.3±1.2^a	1.2±1.1	1.4±1.2	8.7±1.1	2.4±2.1^a	2.7±1.9^a	2.9±2.2^a
t		0.623	2.224	1.865	1.932	1.904	4.481	3.011	2.900
P		0.538	0.034	0.073	0.064	0.067	0.001	0.005	0.007