Age (years)	N			274
	Mean ± SD			13.87 ± 11.03
	Median (Q1 - Q3)			11 (6 - 18)
			n	%
Sex		Female	251	48.6
Sex		Male	265	51.4
Fever		No	122	39.6
Fever		Yes	186	60.4
GIT Symptoms		No	195	63.3
GIT Symptoms		Yes	113	36.7
Other pain types		No	200	64.9
Other pain types		Yes	108	35.1
Abdominal pain		No	105	34.1
Abdominal pain		Yes	203	65.9
Presented by two symptoms		No	142	46.1
Presented by two symptoms		Yes	166	53.9
Presented by more than two symptoms		No	236	76.6
Presented by more than two symptoms		Yes	72	23.4
Mutation V726A		Negative	347	67.2
Mutation V726A		Positive	169	32.8
Mutation M6941		Negative	402	77.9
Mutation M6941		Positive	114	22.1
Mutation M694V		Negative	219	42.4
Mutation M694V		Positive	297	57.6
Mutation M6802		Negative	395	76.6
Mutation M6802		Positive	121	23.4