Table 4.

Treatment-related adverse events stratified by treatment groups^a

	Account (%)
Adverse event	VDG n = 150	PG n = 152	pb
Any treatment-related adverse event	46 (30.7)	48 (31.6)	0.864
Headache	8 (5.3)	18 (11.8)	0.044
Constipation	15 (10.0)	7 (4.6)	0.071
Diarrhea	7 (4.7)	8 (5.3)	0.811
Nausea	7 (4.7)	3 (2.0)	0.191
Abdominal pain	5 (3.3)	2 (1.3)	0.244
Dizziness	3 (2.0)	6 (3.9)	0.320
Drowsiness	9 (6.0)	9 (5.9)	0.977
Muscular weakness	6 (4.0)	8 (5.2)	0.602
Vomiting	1 (0.7)	0 (0)	0.313

^aValues are n (%);

^bStatistics was conducted with χ2 analysis.