Clinical therapeutic effect of self-prescribed Sanhanchushi Tongbi on lumbar disc herniation

Table 6 Comparison of S substance P and neuropeptide Y levels

Group	n	SP (ng/L)		NPY (ng/L)
		Before treatment	After treatment	Before treatment	After treatment
Observation group	104	368.84 ± 27.54	102.38 ± 19.87	142.28 ± 15.87	38.69 ± 5.34
Control group	107	367.94 ± 27.78	131.65 ± 20.34	142.11 ± 15.84	69.64 ± 5.87
t value		26.489	10.570	0.077	40.028
P value		> 0.05	< 0.05	> 0.05	< 0.05

SP: Substance P; NPY: Neuropeptide Y.