Table 2. Descriptive Characteristics and Comparison of Pain Scores 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.

Pain Intensity	Groupa			Intergroup Comparisons
	A	B	C	Test Statistic	P Value
Without pain	0 (0)	16 (80)	12 (60)	49.59	< 0.001
Mild	1 (5)	4 (20)	6 (30)
Moderate	6 (30)	0 (0)	1 (5)
Severe	13 (65)	0 (0)	1 (5)

^aValues are expressed as No. (%).