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. 2014 Mar 5;5(4):1075–1089. doi: 10.1364/BOE.5.001075

Table 1. Pearson product moment correlations between SD, ΔT/Δx, SI and SI, MAP, PaO2 and PF ratio.

Standard Deviation ΔT/Δx Shock Index
SI Pearson Correlation 0.593§,* 0.561§,* -
p-value <0.0005 <0.0005 -
MAP Pearson Correlation −0.587§,* −0.534§,* −0.519§,*
p-value <0.0005 <0.0005 <0.0005
PaO2 Pearson Correlation −0.344§,** −0.334§,** −0.326§,**
p-value 0.004 0.005 0. 007
PF ratio Pearson Correlation −0.315§,** −0.319§,** −0.326§,**
p-value 0.009 0.008 0. 007

§ Correlation is significant at the 0.01 level (two-tailed).* Strong correlation [0.40 < |r| < 0.70] - According to Weinberg et al. [39].** Moderate Correlation [0.30 < |r| < 0.39] - According to Weinberg et al. [39].