Surgical risk for patients with Chagasic achalasia and its correlation with the degree of esophageal dilation

Table 5 Postoperative complications according to the degree of dilation of the Chagasic achalasia

Complications	Achalasia groups
	II (n = 53)b,d		III (n = 37)1		IV (n = 34)
	n	%	n	%	n	%
No complications	33	62.26	13	35.14	4	11.76
With complications	20	37.74	32	64.86	38	88.24
CHF/shock	-	0	6	18.75	7	18.42
Death	-	0	2	6.25	2	5.26
Others	20	100	24	75	29	76.32

^bP<0.001 GII vs GIII; dP<0.001 GII vs GIV 1P=0.017 GIII vs GIV.