Journal of Cardiothoracic Surgery

Table 5 Adverse outcomes in the two groups

From: Postoperative differences between colonization and infection after pediatric cardiac surgery-a propensity matched analysis

	Before propensity matching					After propensity matching
	Infection (n = 179)		Colonization (n=253)			Infection (n=141)		Colonization (n=141)
Variable	Mean/N	SD/%	Mean/N	SD/%	p-value	Mean/N	SD/%	Mean/N	SD/%	p-value
Hospital days	26.1	12.5	19.7	8.4	<0.001	25.9	13.11	21.3	9.1	0.002
Mortality	10	6%	19	8%	0.431	7	5%	14	10%	0.06
Dialysis	41	23%	27	11%	0.001	23	16%	22	16%	0.31
Pulmonary	80	45%	53	21%	<0.001	57	40%	36	26%	0.01
Cardiac	100	56%	89	35%	<0.001	74	52%	65	46%	0.32
Cyanosis	50	28%	63	25%	0.48	43	30%	36	26%	0.41
Postop. Reoperation	35	20%	18	7%	<0.001	26	18%	16	11%	0.13
ICU stay (day)	10.4	7.56	6.3	5.3	0.001	10	7.42	7.9	6.21	0.006
Extubation time (day)	213.7	202.4	97.9	149.2	<0.001	184.8	168.3	132	157.1	0.006

Data are presented as the number of occurrences and the percentage or as the mean and standard deviation (SD) for categorical and continuous variables, respectively. For categorical variables, the p-values are based on two-sided chi squared or Fischer’s exact tests (as appropriate), comparing the infection patients to the colonization patients. For continuous variables, the p-values are based on a t-test or Wilcoxon rank sum test. Statistically significant (p < 0.05) values are presented in bold. ICU: intensive care unit.

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ISSN: 1749-8090

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