Table 6.

Adverse Events After Matching

	Odds Ratio Estimate	Lower CIa	Upper CI	P Value
During hospital stay or 30-d follow-up
Majorb	0.942	0.729	1.217	.648
Minorc	0.827	0.617	1.109	.205
Surgicald	0.945	0.737	1.212	.656
Enterostomye	1.038	0.609	1.77	.892
During hospital stay only
Major	0.905	0.694	1.179	.458
Minor	0.752	0.552	1.025	.071
Surgical	0.859	0.665	1.108	.242
Enterostomy	1.00	0.578	1.729	<.999

^aCI = confidence interval.

^bMajor: acute respiratory failure, spontaneous tension pneumothorax, atelectasis/pulmonary collapse, empyema, bronchopleural fistula, air leak and other pneumothorax, chylothorax, pneumonia, other pulmonary infections and inflammation, acute myocardial infarction, acute heart failure/pulmonary edema, acute pulmonary embolism/infarction, acute deep venous thrombosis of extremities, acute cerebrovascular accident (stroke), transient cerebral ischemia/transient ischemic attack, intracranial hemorrhage (includes hemorrhagic stroke), dehiscence, perforations of organ or vessels, in-hospital death, sepsis, other postoperative complications, accidental puncture or laceration during procedure, other postoperative infection, peritoneal abscess, other retroperitoneal abscess, abscess of intestine, fistula of intestine, excluding rectum and anus, ureteral fistula, intestinoureteral fistula, intestinovesical fistula, digestive–genital tract fistula, female, persistent postoperative fistula, other specified intestinal obstruction, unspecified intestinal obstruction, intestinal or peritoneal adhesions with obstruction (postoperative), peritonitis (acute), generalized, other suppurative peritonitis, other retroperitoneal infections, unspecified peritonitis, iatrogenic pulmonary embolism and infarction.

^cMinor: hematoma/seroma complicating procedure, cellulitis, other postoperative infection, including other (non-cellulitis) wound infection, other digestive system complications, paralytic ileus, perioperative autologous transfusion of whole blood or blood components, transfusion of previously collected autologous blood, other transfusion of whole blood, transfusion of packed cells, hemorrhage complicating procedure, hematoma complicating procedure.

^dSurgical: chylothorax, dehiscence, hematoma/seroma complicating procedure, cellulitis, other postoperative infection, including other (non-cellulitis) wound infection, perforations of organ or vessels, in-hospital death, sepsis, other postoperative complications, other digestive system complications, paralytic ileus, accidental puncture or laceration during procedure, other postoperative infection, peritoneal abscess, other retroperitoneal abscess, abscess of intestine, fistula of intestine, excluding rectum and anus, ureteral fistula, intestinoureteral fistula, intestinovesical fistula, digestive–genital tract fistula, female, persistent postoperative fistula, other specified intestinal obstruction, unspecified intestinal obstruction, intestinal or peritoneal adhesions with obstruction (postoperative), peritonitis (acute), generalized, other suppurative peritonitis, other retroperitoneal infections, unspecified peritonitis, perioperative autologous transfusion of whole blood or blood components, transfusion of previously collected autologous blood, other transfusion of whole blood, transfusion of packed cells, hemorrhage complicating procedure, hematoma complicating procedure.

^eEnterostomy: colostomy and enterostomy complication unspecified, infection of colostomy or enterostomy, mechanical complication of colostomy or enterostomy, other complication of colostomy or enterostomy, exteriorization of large intestine, colostomy, not otherwise specified, temporary colostomy, permanent colostomy, exteriorization of small intestine, ileostomy, not otherwise specified, temporary ileostomy, continent ileostomy, other permanent colostomy, other enterostomy.