Extracorporeal Membrane Oxygenation to Support COVID-19 Patients: A Propensity-Matched Cohort Study

Table 1

Baseline characteristics.

	COVID-19 ECMO patients (n = 24)	COVID-19 non ECMO patients (n = 62)	p value	Matched cohorts (n = 24)	p-value
Age	57.66 ± 9.21	58.27 ± 10.19	0.81	61.42 ± 10.02	0.18
Age categories (years)			0.83		0.18
<50	6 (25%)	11 (17.7%)		1 (4.2%)
51–60	8 (33.3%)	22 (35.5%)		9 (37.5%)
61–70	9 (37.5%)	24 (38.7%)		11 (45.8%)
>71	1 (4.2%)	5 (8.1%)		3 (12.5%)
Gender (male/female)	18 (75%)/6 (25%)	45 (72.60%)/17 (27.40%)	0.82	18 (75%)/6 (25%)	1.00
BMI (kg/m^2)	33.10 ± 9.16	29.61 ± 5.59	0.23	29.33 ± 5.62	0.15
BMI categories (kg/m^2)			0.34		0.35
Normal and overweight (18.50–29.99)	13 (54.2%)	38 (61.3%)		14 (58.3%)
Moderate obesity (30-39.99)	7 (29.2%)	20 (32.3%)		9 (37.5%)
Severe obesity (>40)	4 (16.7%)	4 (6.4%)		1 (4.2%)
Rockwood clinical frailty index	2.17 ± 1.20	2.18 ± 0.95	0.57	2.46 ± 1.10	0.39
SOFA score admission	4.42 ± 2.93	3.20 ± 2.11	0.05	4.68 ± 2.66	0.74
Cardiovascular disease	4 (16.70%)	9 (14.50%)	0.80	4 (16.70%)	1.00
Hypertension	9 (37.5%)	21 (33.90%)	0.75	10 (41.70%)	0.77
Diabetes	4 (16.70%)	10 (16.10%)	0.95	4 (16.70%)	1.00
Respiratory disease	2 (8.30%)	10 (16.10%)	0.35	6 (75.0%)	0.08
Malignancy	2 (8.30%)	5 (8.1%)	0.97	3 (12.50%)	0.30
Chronic kidney disease	0 (0.00%)	5 (8.10%)	0.15	2 (8.30%)	0.15
Chronic liver disease	0 (0.00%)	3 (4.80%)	0.27	2 (8.30%)	0.11
Chronic bowel disease	1 (4.20%)	3 (4.80%)	0.89	1 (4.20%)	1.00
Chronic nervous disease	0 (0.00%)	1 (1.60%)	0.53	0 (0.00%)	1.00
Cerebrovascular disease	3 (12.50%)	4 (6.50%)	0.36	2 (8.30%)	0.33
HIV/Aids	0 (0.00%)	0 (0.00%)	1.00	0 (0.00%)	1.00
Hematological disease	1 (4.20%)	2 (3.20%)	0.83	2 (8.30%)	0.28
Obesity	11 (45.80%)	19 (30.60%)	0.18	8 (33.30%)	0.38
Rheumatological disease	2 (8.30%)	3 (4.80%)	0.53	1 (4.20%)	0.55
Dementia	0 (0.00%)	0 (0.00%)	1.00	0 (0.00%)	1.00

Data are expressed as mean ± standard deviation or as frequencies. A p value <0.05 is considered statistically significant.