Table 1.

Characteristics of the study population, according to the septic or nonseptic origin of acute circulatory failure (n = 100)

	Study population	Acute circulatory failure of septic origin	Other acute circulatory failure
	n = 100	n = 55	n = 45	P*
Age, y	70 ± 15	70 ± 15	70 ± 16	0.92
Male	62 (62)	33 (60)	29 (65)	0.64
Comorbidities
Chronic heart disease	13 (13)	5 (9)	8 (18)	0.24
Arrhythmia	28 (28)	13 (24)	15 (33)	0.37
Hemodynamic parameters:
Heart rate, bpm	100 ± 25	107 ± 24	91 ± 27	0.003
Mean blood pressure, mmHg	66 ± 19	67 ± 19	65 ± 20	0.59
Systolic blood pressure, mmHg	90 ± 24	91 ± 23	90 ± 26	0.86
O2 saturation	96 ± 4	95 ± 5	96 ± 3	0.11
Fluid resuscitation†, median [interquartile range], mL	500 [187–1,500]	500 [250–1,500]	500 [0–1,500]	0.76
Vasopresseur support	9 (9)	4 (7)	5 (11)	0.72
Mean SOFA score	5.0 ± 3.1	5.3 ± 3.0	4.6 ± 3.1	0.29
Organ dysfunction:
Renal	57 (57)	32 (58)	25 (56)	0.79
Central nervous system	41 (41)	28 (51)	13 (29)	0.02
Cardiovascular	86 (86)	48 (87)	38 (84)	0.68
Liver	25 (25)	15 (27)	10 (22)	0.56
Coagulation	34 (34)	21 (38)	13 (29)	0.33
Respiratory	61 (61)	36 (65)	25 (56)	0.31
Biology
pH	7.31 ± 0.15	7.31 ± 0.14	7.30 ± 0.17	0.88
Lactates, mmol/L	5.2 ± 4.9	5.5 ± 5.0	4.8 ± 4.7	0.55
Creatinin, μmol/L	175 ± 240	135 ± 78	227 ± 346	0.11
Platelets, 109 G/L	210 ± 123	193 ± 127	232 ± 116	0.11
Hemoglobin, g/dL	12.2 ± 2.7	12.7 ± 2.5	11.4 ± 2.8	0.015
ICU admission	32 (32)	22 (40)	10 (22)	0.06
28-d mortality	36 (36)	22 (40)	13 (31)	0.36

Results are expressed as numbers or mean ± standard deviations. Numbers in parentheses are percentages.

^*P value was calculated after the comparison of the variables between the two groups (septic and other).

^†Volume of fluid administered at the time of focused echocardiography.