Table 4.

Comparison of the inflammatory factors between the two groups (x̅±sd)

Time	Observation group (n=30)	Control group (n=30)	t	P
IL-6 (pg/mL)
Before operation	7.95±1.43	8.33±1.26	1.092	0.279
After operation	17.65±2.31***	24.43±2.88***	10.059	<0.001
IL-1β (pg/mL)
Before operation	13.57±3.71	12.89±3.82	0.699	0.487
After operation	20.53±4.17***	27.77±3.61***	7.190	<0.001
TNF-α (pg/mL)
Before operation	21.36±6.05	22.11±6.84	0.450	0.654
After operation	30.41±7.13***	36.18±6.45***	3.287	0.002

Note: Compared with the same group before the operation;

^***P<0.001.