Statistical comparison

History	Studied groups				Fisher's exact test	P value
	Cases (n=50)		Controls (n=20)
	NO.	%	NO.	%
Family history:
Present	20	40	0	0	9.33	<0.01
Absent	30	60	20	100	9.33	<0.01
Breast feeding :
Yes	26	52	11	55	0.05*	>0.05
No	24	48	9	45	0.05*	>0.05
Immediate symptoms:
Present	24	48	0	0	12.56	< 0.001
Absent	26	52	20	100	12.56	< 0.001
Respiratory symptoms:
Present	18	36	0	0	7.9	<0.01
Absent	32	64	20	100	7.9	<0.01
Skin symptoms:
Present	27	54	0	0	15.38	< 0.001
Absent	23	46	20	100	15.38	< 0.001

*χ² test

Table 1: Statistical comparison of history and clinical data suggestive of CMA among the studied groups.