Serum NT-Pro-BNP versus Noninvasive Bedside Inotropic Index in Paediatric Shock: A Contest of Myocardial Performance in Response to Fluid Loading

Table 4

Multilinear correlation between variables against delta SVI.

	Unstandardized coefficients		Standardized coefficients		Sig.
	B	Std. error	Beta	t
Constant	−9.909	6.285		−1.577	0.120
MAP percentile	0.003	0.041	0.008	0.066	0.948
Preloading LVEDVI	0.136	0.072	0.231	1.889	0.064
Preloading SMII (%)^a	1.444	3.864	0.060	0.374	0.710
Preloading NT-pro-BNP	−3.333E − 6	0.000	−0.005	−0.041	0.968
Preloading SVI (%)^b	−16.182	5.448	−0.515	−2.970	0.004

MAP: mean arterial pressure; LVEDVI: left ventricular end-diastolic volume index; SMII: Smith–Madigan inotropic index; SVI: stroke volume index. ^a(preloading SMII-lower limit)/lower limit according to age × 100%. ^b(preloading SVI-lower limit)/lower limit according to age × 100%.