Impact of the nutritional status of children with congenital heart diseases on the early post-operative outcome

Egyptian Pediatric Association Gazette

Table 2 Relationship between infection and continuous risk factors

	Infection				95 CI		P value
	No infection, N = 183 patients		Infection, N = 76 patients		95 CI
	Mean	SD	Mean	SD	Lower	Upper
Length of ICU stay (days)	6.79	7.96	19.51	32.36	−20.20	−5.23	0.001
Length of hospital stay (days)	25.81	57.57	46.66	47.81	−32.85	−5.78	0.005
Ventilation hours	50.55	96.25	172.2	324.76	−199.7	−43.58	0.003
Age of patients on admission (weeks)	22.10	31.26	11.76	17.53	4.28	16.38	0.001
Total NPO days in ICU	2.17	2.69	4.12	5.59	−3.29	−0.60	0.005
Total number of days to reach energy RDA	4.00	6.73	6.72	7.04	−4.60	−0.83	0.005
% RDA	82.10	38.07	93.68	34.06	−21.17	−1.98	0.018

N number, M mean, SD standard deviation, CI confidence interval, ICU intensive care unit, NPO nil per os, RDA recommended daily allowance, % RDA percentage of total calories based on the RDA for age and sex of each patient for all days in PCICU divided by number PCICU days and then averaged over the number of patients