(b) Analysis of serum-related indicators in the two groups

Time	Group	LDH	Blood calcium	Urea nitrogen	TG
Before	Control group	521.1 ± 242.9	2.15 ± 0.17	4.8 ± 1.95	5.66 ± 4.79
	Observation group	451.03 ± 169.48	2.16 ± 0.22	4.36 ± 1.77	9.45 ± 12.2
	T	1.296	-0.224	0.929	-1.583
	p	0.2	0.823	0.357	0.119
After	Control group	197.83 ± 62.28	2.23 ± 0.18	3.85 ± 1.22	4.93 ± 2.83
	Observation group	163.63 ± 51.4	2.34 ± 0.19	3.32 ± 1.17	3.57 ± 1.39
	T	2.32	-2.485	1.708	2.376
	p	0.024∗	0.016∗	0.093	0.022∗

^∗ p < 0.05: the difference between the groups was statistically significant.