Table 1. Comparisons of GI manifestation in several studies.

GI, gastrointestinal

Study	Sample	Nausea	Vomiting	Diarrhea	Anorexia
Guan et al. [31]	1,099	55 (5.0%)	55 (5.0%)	42 (3.8%)
Wang et al. [26]	138	14 (10.1%)	5 (3.6%)	14 (10.1%)
Xiao et al. [14]	73	-	-	26 (35.6%)
Pan et al. [27]	204	-	8 (3.9%)	29 (14.2%)	83 (40.6%)
Lu et al. [48]	171	11 (6.4%)	-	15 (8.8%)
Liu et al. [49]	137	-	-	11 (8%)
Zhou et al. [50]	141	7 (3.7%)	7 (3.7%)	9 (4.7%)