Impact of timing on in-patient outcomes of complete repair of tetralogy of Fallot in infancy: an analysis of the United States National Inpatient 2005–2011 database

Table 2 Postoperative complications in children underwent complete repair of TOF

	Age: ≤ 30 days	Age: 31–90 days	Age: 91–180 days	Age: > 180 days	P-value^a
	n = 101	n = 198	n = 449	n = 364
Postoperative complications	41 (40.76%)	53 (26.9%)	107 (23.68%)	85 (23.4%)	< 0.01*
Cardiac complications/ postoperative arrhythmia	13 (13.23%)	32 (16.08%)	54 (12.01%)	30 (8.23%)	0.02*
Respiratory complications, pneumonia	5 (4.81%)	5 (2.47%)	21 (4.73%)	25 (6.91%)	0.09
Infection/sepsis	11 (10.75%)	8 (4.17%)	14 (3.06%)	6 (1.66%)	< 0.01*
Other complications	15 (14.88%)	19 (9.72%)	39 (8.56%)	41 (11.23%)	0.20
Re-operation	0 (0%)	2 (0.98%)	1 (0.23%)	3 (0.81%)	–
In-hospital mortality	10 (9.82%)	1 (0.51%)	3 (0.67%)	3 (0.85%)	< 0.01*

Data presented as unweighted counts (weighted proportion). Percentages may not add up to 100% due to missing data
Other complications include peripheral vascular complications, digestive system, urinary, nervous system complications, vascular complications of other vessels, accidental puncture or laceration during a procedure, disruption of the wound, persistent postoperative fistula, hemorrhage or hematoma complicating a procedure, foreign body accidentally left during a procedure, acute reaction to foreign substance accidentally left, other specified complications of procedures not elsewhere classified, and unspecified complication of procedure
^aChi-square test
*Significant difference between groups, P < 0.05
- Test cannot be performed due to cells with zero

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