Table 1. Comparison of the symptoms and signs between the groups A and B.

	Group A (n=50)	Group B (n=233)	p-value
Vomiting	32 (66.7%)	172 (74.5%)	0.267
Diarrhea	17 (35.4%)	35 (15.2%)	0.001*
Fever	39 (81.3%)	136 (58.9%)	0.009*
Urinary symptoms	2 (4.2%)	15 (6.5%)	0.535
Respiratory symptoms	7 (14.9%)	29 (12.7%)	0.719
Abdominal pain
Focal	18 (39.1%)	148 (66.7%)	0.001*
Diffuse	21 (45.7%)	60 (27%)
Ill-defined	7 (15.2%)	14 (6.3%)
Tenderness
Focal	11 (23%)	85 (38.1%)	<0.001*
Diffuse	17 (35.4%)	34 (15.3%)
Ill-defined	20 (41.6%)	104 (46.6%)

*Statistically significant.