Table 5.

Correlation between the different parameters

Variables	Unadjusted correlation [df = 40]		Correlation adjusted for age [df (adj for age) = 37]
	r	p	r (adj)	p (adj)
T3 A vs. PIM2	− 0.353	0.026*	− 0.29	0.073
T3 B vs. PIM2	− 0.329	0.038*	− 0.272	0.094
T3 B vs. BUN B	− 0.468	0.002*	− 0.364	0.023*
T3 C vs. BUN C	− 0.377	0.017*	− 0.404	0.011*
T4 A vs. sCr A	− 0.320	0.044*	− 0.236	0.148
T4 B vs. PIM2	− 0.444	0.004*	− 0.395	0.013*
T4 C vs. sCr C	− 0.329	0.038*	− 0.273	0.093
T4 C vs. BUN C	− 0.370	0.019*	− 0.325	0.043*
FT3 A vs. PIM2	− 0.417	0.007*	− 0.359	0.025*
FT3 B vs. PIM2	− 0.355	0.025*	− 0.324	0.044*
FT3 B vs. BUN B	− 0.458	0.003*	− 0.356	0.026*
FT3 C vs. BUN C	− 0.328	0.039*	− 0.364	0.023*
FT4 B vs. PIM2	− 0.379	0.016*	− 0.324	0.044*
TSH B vs. PIM2	− 0.335	0.035*	− 0.295	0.068
MV days vs. PIM2	0.329	0.038*	0.373	0.019*
MV days vs. PICU days	0.657	< 0.001*	0.651	< 0.001*
MV days vs. PELOD2 A	0.447	0.004*	0.438	0.005*
PICU days vs. lactate A	0.378	0.016*	0.344	0.032*
PICU days vs. lactate C	0.353	0.026*	0.315	0.051
PICU days vs. PELOD2 A	0.578	< 0.001*	0.569	< 0.001*
PICU days vs. PELOD2 B	0.416	0.008*	0.445	0.005*
PICU days vs. PELOD2 C	0.382	0.015*	0.419	0.008*

BUN blood urea nitrogen, FT3 free triiodothyronine, FT4 free thyroxine, LOS length of stay, MV mechanical ventilation, PELOD pediatric logistic organ dysfunction, PICU pediatric intensive care unit, T3 triiodothyronine, T4 thyroxine, TSH thyroid stimulating hormone, sCr serum creatinine, vs versus, df degrees of freedom, adj adjusted for age, r Pearson’s correlation coefficient, A on admission, B on shock reversal, C 5 days after shock reversal

*Statistically significant at p < 0.05