Table 2b. Type of second complication according to the type of first complication.

Second complication	Vascular N=106	Digestive N=44	Obstetrical N=18	Total N=168
Vascular	64 (63%)	21 (49%)	8 (44%)	93 (57%)
Digestive	7 (7%)	17 (39%)	2 (11%)	26 (16%)
Obstetrical	1 (1%)	1 (2%)	5 (28%)	7 (4%)
None	29 (29%)	4 (9%)	3 (17%)	36 (21%)

Global comparison of distribution: chi-square P-value <0.0001.

Comparison of the distribution of the second vascular and digestive events according to the first vascular and digestive complication: chi-square P-value <0.0001.