Table 1. Descriptive Characteristics and Comparison of the Serum Levels of Complement C3 (mg/dL) in Patients Undergoing Surgery Under General Anesthesia in Three Groups, Without Propofol Infusion and with Propofol Infusion at the Doses of 50 and 100 μg/kg/min.

Measurement Time (mg/dL)	Groupa			Intergroup Comparisons
	A	B	C	Test Statistic	P Value
Before injection	100 ± 5.86	106.45 ± 12.58	108.2 ± 13.34	2.23	0.11
After injection	172.15 ± 7.3	134.1 ± 16.35	127.15 ± 27.31	5.18	0.009
Mean differences before and after the injection	72.15 ± 14.9	27.65 ± 9.82	18.95 ± 4.68	5.24	0.008
In-group comparisons
Test statistic	3.83	4.59	3.92
P value	0.001	< 0.001	< 0.001

^aValues are expressed as mean ± SD.