. 2018 Feb 20;38(2):135–140. [Article in Chinese] doi: 10.3969/j.issn.1673-4254.2018.02.03

2.

两组患者NRS评分比较

Comparison of the NRS between two groups (Mean±SD)

Group	Pre-treatment		Post-treatment
Group	T₀	T₁	T₂	T₃	T₄
Compared with pre-treatment, ^P＜0.05; Compared with pre-treatment, ^P＜0.05.
A	6.85±0.96	4.21±1.08^*	2.72±1.61^*	1.15±1.81^*	1.21±1.96^*
B	7.08±1.15	2.16±2.10^*	1.24±2.25^*	2.34±3.02^*	2.63±3.15^*
t		5.401	3.335	-2.088	-2.379
P		< 0.001	0.001	0.041	0.020