Table 3.

Univariate and multivariate analysis of factors associated with mortality after PICU discharge

		Univariate analysis			Multivariate analysis
Variable		Crude HR	95% CI	P-value	Adjusted HR	95% CI	P-value
Age (Years)
< 1		0.74	0.30–1.77	0.493
1–5		0.71	0.30–1.66	0.429
> 5		Ref
Admitting Diagnosis
Infectious		1.07	0.54–2.13	0.837
Non Infectious		Ref
Type of admission
Medical		2.31	0.95–5.59	0.064
Surgical		Ref
Chronic Illness
Yes		3.13	1.46–6.74	0.004	3.92	1.77–8.66	0.001
No		Ref
Organ Dysfunction
Multiple		2.19	0.76–6.31	0.147	3.11	1.01–9.61	0.049
Single		3.09	1.23–7.74	0.016	3.57	1.42 - 9.03	0.007
None		Ref
Creatinine (micromol/L)
Elevated		1.32	0.66–2.65	0.432
Normal		Ref
ALT (units/L)
>114		1.60	0.66–3.87	0.299
< 114		Ref
Hemoglobin (g/dl)
< 11		0.88	0.43–1.78	0.712
>11		Ref
Platelets (×109/L)
< 150		1.80	0.80–4.04	0.158	1.74	0.74–4.05	0.203
>450		2.39	1.03–5.51	0.042	3.43	1.46–8.05	0.005
150–450		Ref
WBC (×109/L)
< 4		3.26	0.42–25.47	0.260
>11		1.92	0.91–4.06	0.090
4–11		Ref

ALT: Alanine aminotransferase, WBC: White blood cells, CI: Confidence interval, HR: Hazard ratio