Table 1. Characteristics of and common concomitant diseases among H1N1 pneumonia patients with ARDS in the German ARDS Network’s cohort*.
| Total n = 116 |
no ECMO n = 55 |
ECMO n = 61 |
p value | |
|---|---|---|---|---|
| Female | 50 (43%) | 23 | 27 | 0.503 |
| Mean age (min/max) | 43 (40–45) [5/66] |
43 (39–47) [5/65] |
42 (39–45) [13/66] |
0.191 |
| Mean BMI (kg/m2) (min/max) | 32 (31–34) [18–68] |
31 (29–34) [18/63] |
32 (28–35) [18/68] |
0.508 |
| Health profession | 2 (1.7%) outpatient nurse; nurse |
1 | 1 | 0.096 |
| H1N1-vacinated | 2 (1.7%) | 1 | 1 | 0.890 |
| Pregnancy | 8 (7%) | 4 | 4 | 0.982 |
| Asthma | 4 (3.4%) | 0 | 4 | 0.148 |
| COPD | 11 (9.5%) | 6 | 5 | 0.278 |
| Other chronic lung diseases | 3 (2.6%) | 2 | 1 | 0.492 |
| Heart disease | 8 (6.9%) | 5 | 3 | 0.328 |
| Chronic kidney disease | 8 (6.9%) | 5 | 3 | 0.369 |
| Chronic liver disease | 1 (0.9%) | 0 | 1 | 0.592 |
| Hemato-oncological disease | 13 (11.2%) | 7 | 6 | 0.734 |
| Diabetes mellitus | 14 (12.1%) | 6 | 8 | 0.190 |
| HIV infection | 2 (1.7%) | 1 | 1 | 0.879 |
| Immunological disease | 6 (5.2%) | 1 | 5 | 0.218 |
| Malignancy | 3 (2.6%) | 0 | 3 | 0.128 |
*Values are reported as mean values (95% confidence interval) and minimum/maximum, absolute numbers or % of total. ARDS, acute respiratory distress syndrome; COPD, chronic obstructive pulmonary disease; ECMO, extracorporeal membrane oxygenation (extracorporeal lung support therapy)