Table 2.

Spearman’s correlation between SjvO₂ and FOUR score

Time	r	p-value
Upon arrival	0.246	0.052
24 hours post arrival	0.481	0.082
48 hours post arrival	−0.751	<0.001*
72 hours post arrival	−0.49	0.002*

Notes: r, Spearman’s correlation;

^*statistically significant.

Abbreviations: SjvO₂, jugular venous oxygen saturation; FOUR, Full Outline of Responsiveness.