Table 5.

Multivariate analysis of AQ and EDE-Q of 4 groups in illness duration with Kruskal-Wallis analysis

EDE-Q: Diagnosis			statistic H = 12.44			df = 3, p < .01
Group	N	Mean	SD	Max	Min	Average of the rank
1	9	75.44	37.27	141	21	24.78
2	8	21.38	13.9	46	4	7.75
3	22	75.68	39.9	139	10	24.84
4	3	77	47.55	132	16	23.83

== Multiple Comparisons by Steel-Dwass == (* p < .05)

A1 > A2 * (T = 3.081)

A2 < A3 * (T = 3.332)

Group1: < 4 years of illness duration, Vomiting(+); Group2: < 4 years of illness duration, Vomiting(−)

Group3: ≥4 years of illness duration, Vomiting(+); Group4: ≥4 years of illness duration, Vomiting(−)

N Number of subjects, Mean Mean value, SD Standard Daviation, Max Maximum value, Min Minimun value

df degrees of freedom