Table 8.

Univariate regression analysis of the association between the percent of change in muscle thickness and different predictors of mortality.

Variables	Unstandardized Coefficients		95% CI		t-test	P-value
	B	SE	Lower	Upper
Respiratory	4.945	2.521	− 0.111	10.002	1.962	0.055
(Constant)	− 18.653	1.7	− 22.062	− 15.224	− 10.975	0.000
Chronic diseases	− 4.939	2.532	− 10.018	0.139	− 1.951	0.056
(Constant)	− 14.250	1.673	− 17.604	− 10.895	− 8.520	0.000
Operations	0.341	4.170	− 8.022	8.704	0.082	0.935
(Constant)	− 16.442	1.377	− 19.205	− 13.680	− 11.939	0.000
Development	− 2.822	2.959	− 8.757	3.113	− 0.954	0.345
(Constant)	− 15.687	1.493	− 18.681	− 12.692	− 10.508	0.000
Inotropes	− 6.910	2.478	− 11.880	− 1.940	− 2.789	0.007
(Constant)	− 12.259	1.919	− 16.109	− 8.409	− 6.387	0.000
Achievement of requirements in the 1st week	8.905	2.380	4.131	13.678	3.742	0.000
(Constant)	− 19.805	1.471	− 22.754	− 16.855	− 13.468	0.000
Sputum culture	− 6.323	2.462	− 11.261	− 1.385	− 2.568	0.013
(Constant)	− 13.531	1.660	− 16.860	− 10.202	− 8.152	0.000
PRISM score	− 0.835	0.251	− 1.338	− 0.331	− 3.324	0.002
(Constant)	− 5.918	3.370	− 12.677	0.840	− 1.756	0.085
STRONGKIDS score	− 2.774	1.148	− 5.076	− 0.471	− 2.416	0.019
(Constant)	− 9.295	3.191	− 15.695	− 2.894	− 2.913	0.005
Calories (kcal)	0.005	0.003	− 0.002	0.011	1.461	0.150
(Constant)	− 18.886	2.123	− 23.143	− 14.628	− 8.897	0.000
MV duration (days)	− 0.206	0.096	− 0.398	− 0.014	− 2.151	0.036
(Constant)	− 13.684	1.776	− 17.247	− 10.122	− 7.705	0.000

B: Beta Coefficient; SE: standard error; CI: Confidence interval; PRISM score: Pediatric risk of Mortality Score; STRONGkids: Screening Tool for Risk on Nutritional Status and Growth; MV: mechanical ventilation.