Table 4.

Comparison of cold sensation of skin and gastrointestinal reactions between both groups (n, %)

Groups	Cold sensation of skin	Gastrointestinal reactions
		Nausea and vomiting	Abdominal discomfort	Defecation sensation	Diarrhea and abdominal pain
Observation group (n=75)	2 (2.67)	1 (1.33)	0 (0.00)	1 (1.33)	0 (0.00)
Control group (n=75)	9 (12.00)	2 (2.67)	1 (1.33)	2 (2.67)	3 (4.00)
χ2	4.807	3.856
P	0.028	0.049

Note: χ²: statistical value of chi-square test.