Peripheral perfusion index predicting prolonged ICU stay earlier and better than lactate in surgical patients: an observational study

Table 3 Comparison of hemodynamic and perfusion parameters between the two groups

		Prolonged ICU stay N = 65	n1	Non-prolonged ICU stay N = 103	n2	P
HR bpm	T₀	88.90 ± 9.52	65	89.45 ± 10.39	103	0.819
	T₁	82.87 ± 5.88	65	83.50 ± 5.45	103	0.640
	T₂	80.40 ± 7.44	65	80.81 ± 6.51	103	0.805
MAP /mmHg	T₀	74.52 ± 6.83	65	76.28 ± 8.33	103	0.221
	T₁	75.33 ± 4.86	65	75.49 ± 5.21	103	0.864
	T₂	74.74 ± 5.49	65	74.58 ± 5.62	103	0.883
Lactate mmol/L	T₀	3.08 ± 0.72	65	3.09 ± 0.73	103	0.978
	T₁	3.13 ± 0.67	58	2.72 ± 0.59	89	0.009
	T₂	3.15 ± 0.44	61	2.02 ± 0.42	92	0.001
PPI	T₀	1.09 ± 0.33	65	1.41 ± 0.45	103	0.001
	T₁	1.08 ± 0.37	65	1.49 ± 0.41	103	< 0.001
	T₂	1.17 ± 0.27	65	1.23 ± 0.33	103	0.392
T / °C	T₀	36.45 ± 0.33	65	36.46 ± 0.35	103	0.875
	T₁	36.84 ± 0.20	65	36.81 ± 0.21	103	0.422
	T₂	37.02 ± 0.42	65	36.98 ± 0.41	103	0.626

HR heart rate, MAP mean artery pressure, PPI peripheral perfusion index, T temperature

ISSN: 1471-2253