Table 1.

Patients’ main characteristics

Patient #	Age (years)	Sex	Body mass index (Kg/m2)	SAPS II score	PaO2/FiO2 (mmHg)	Diagnosis at admission	ARDS	Days of intubation before enrollment	ICU outcome
1	59	M	26	39	121	Thoracic trauma	Y	1	Survive
2	67	M	29	33	114	Pneumonia	Y	3	Survive
3	67	M	24	34	236	Pneumonia	Y	4	Survive
4	55	M	26	46	170	Pneumonia	Y	15	Survive
5	75	F	31	47	84	Pneumonia	Y	2	Survive
6	80	F	28	78	145	Pneumonia	Y	1	Dead
7	63	M	29	45	140	Pneumonia	N	2	Survive
8	41	M	34	33	209	Pneumonia	Y	3	Survive
9	79	M	24	44	97	Pneumonia	Y	1	Survive
10	69	M	25	35	279	Thoracic trauma	Y	3	Survive
11	64	M	26	48	238	Thoracic trauma	N	3	Dead
12	63	M	28	42	104	Pneumonia	Y	3	Dead
13	56	M	37	39	86	Pneumonia	Y	2	Survive
14	88	M	26	38	210	Septic shock	Y	1	Survive
15	68	M	26	51	196	Septic shock	N	19	Survive
16	59	M	29	31	132	Septic shock	N	6	Survive
Mean ± SD	66 ± 11	2 F	28 ± 4	43 ± 11	160 ± 60	10 pneumonia, 3 thoracic trauma, 3 septic shock	12 Y	4 ± 5	3 dead

SAPS, Simplified Acute Physiologic Score; ARDS, acute respiratory distress syndrome; ICU, intensive care unit