Table 2.

Personal antecedents and exposure.

	Healthy donors (n = 500)	Achalasia (all) (n = 189)	Type I (n = 59)	Type II (n = 123)	Type III (n = 7)
Personal antecedents
Autoimmune disease, (n%)	NA	24 (13)	6 (10)	20 (16)	2 (29)
Allergy and asthma, (n%)	NA	30 (16)	10 (17)	20 (16)	0 (0)
Viral exanthematous disease
Chickenpox, n (%)	NA	121 (64)	35 (59)	83 (67)	3 (43)
Rubella, n (%)	NA	18 (10)	4 (06)	14 (11)	0 (0)
Measles, n (%)	NA	58 (31)	22 (37)	34 (28)	2 (29)
Environmental exposure
Tobacco smoke exposure, n (%)	NA	56 (30)	14 (24)	39 (32)	3 (43)
Alcohol consumption, n (%)	NA	65 (34)	22 (37)	41 (33)	2 (29)
Biomass smoke exposure, n (%)	NA	39 (21)	12 (20)	25 (20)	2 (29)