Efficacy and prognostic impact of Pericarpium Trichosanthis injection combined with nicorandil for intractable angina pectoris in elderly patients: A retrospective study

Table 4 Comparison of blood lipid levels before and after treatment (mean ± SD)

Group	LDL (mmol/L)		HDL (mmol/L)		TC (mmol/L)		TG (mmol/L)
	Control group	Study group	Control group	Study group	Control group	Study group	Control group	Study group
Pretherapy	3.6 ± 1.4	1.6 ± 3.1	1.3 ± 0.0	1.2 ± 0.3	9.0 ± 3.8	7.3 ± 1.4	6.2 ± 1.6	4.6 ± 0.6
Post-treatment	3.0 ± 2.1	1.4 ± 3.7	1.2 ± 0.2	1.3 ± 0.4	8.7 ± 2.2	5.2 ± 0.9	6.5 ± 1.4	3.2 ± 0.9
t	0.6	4.2	0.2	1.1	1.7	3.5	4.7	3.1
P value	0.26	0.54	0.18	0.11	0.32	0.01a	0.60	0.03a

^aP < 0.05, statistically significant.

LDL: Low-density lipoprotein; HDL: High-density lipoprotein; TC: Total cholesterol; TG: Triglyceride.