Table 2. Fatal outcome and survival in ARDS and non ARDS patients.

	ARDS			non ARDS
	Survivor (N = 33)	Non-Survivor (N = 26)	P value	Survivor (N = 54)	Non-Survivor (N = 12)	P value
Characteristics
Age	63.1 [60.0–66.2]	66.2 [62.1–70.2]	0.102	65.4 [60.8–70.0]	78.8 [73.1–84.4]	<0.012
Female Sex	11 (33.3%)	10 (38.5%)	0.681	15 (27.8%)	2 (16.7%)	0.431
Symptom onset to Hospitalisation	7.0 [5.0–9.1]	5.2 [2.7–7.7]	0.092	5.5 [4.0–6.9]	2.4 [0.0–4.8]	0.042
BMI	29.9 [28.2–31.7]	31.3 [28.2–34.5]	0.832	28.2 [26.6–29.8]	25.4 [22.3–28.5]	0.202
Comorbidities
Total	32 (97.0%)	25 (96.2%)	0.861	51 (94.4%)	12 (100.0%)	0.401
Arterial hypertension	21 (63.6%)	21 (80.8%)	0.151	37 (68.5%)	11 (91.7%)	0.101
Pre-existing respiratory disease	13 (39.4%)	11 (42.3%)	0.821	24 (44.4%)	6 (50.0%)	0.731
Pre-existing heart disease	10 (30.3%)	14 (53.8%)	0.071	22 (40.7%)	5 (41.7%)	0.951
Overweight (BMI = 25 kg/m2, < 30 kg/m2)	14 (42.4%)	8 (30.8%)	0.361	17 (34.0%)	3 (27.3%)	0.671
Obesity (BMI = 30 kg/m2)	15 (45.5%)	12 (46.2%)	0.961	15 (30.0%)	2 (18.2%)	0.431
Chronic kidney disease	6 (18.2%)	7 (26.9%)	0.421	18 (33.3%)	5 (41.7%)	0.581
Smoking	7 (35.0%)	4 (30.8%)	0.801	20 (64.5%)	3 (50.0%)	0.501
Former smoking	2 (10.0%)	2 (15.4%)	0.641	8 (25.8%)	3 (50.0%)	0.241
Current smoking	5 (25.0%)	2 (15.4%)	0.511	12 (38.7%)	0 (0.0%)	0.061
Diabetes mellitus	4 (12.1%)	9 (34.6%)	0.041	15 (27.8%)	3 (27.3%)	0.971
Malignancy	6 (18.2%)	5 (19.2%)	0.921	14 (26.4%)	5 (41.7%)	0.291
Chronic liver failure	0 (0.0%)	0 (0.0%)	-	0 (0.0%)	0 (0.0%)	-
Chronic hepatitis	0 (0.0%)	1 (3.8%)	0.261	5 (9.3%)	0 (0.0%)	0.271
Peripheral arterial occlusive disease	2 (6.1%)	2 (7.7%)	0.801	3 (5.6%)	1 (8.3%)	0.721

Numeric parameters are expressed as median [95%CI], categorical as N(%).

¹Pearson chi-squared.

²Mann-Whitney-U. ARDS = acute respiratory distress syndrome. BMI = body mass index.