Table 3.

The severity of abdominal pain before and after treatment.

	Treatment group (n = 40)				Control group (n = 20)
	Normal	Mild	Moderate	Severe	Normal	Mild	Moderate	Severe
Before treatment	6	26	4	4	1	15	3	1
After treatment	22∗	18	0	0	3	15	2	0
Statistic value	4.557				1.135
P	0.000				0.043

Note: ^∗ suggested P < 0.05.