Table 1 Characteristics of study patients at randomization
Patient characteristics | Total (n = 241) | RFEM (n = 120) | SSD (n = 121) | p |
|---|---|---|---|---|
Age, years | 61 ± 17 | 63 ± 16 | 58 ± 17 | 0.074 |
Gender male, n (%) | 155 (64.32) | 76 (63.33) | 79 (65.29) | 0.751 |
Apache II score | 16 ± 6 | 16 ± 7 | 16 ± 6 | 0.865 |
SOFA score | 7 ± 4 | 6 ± 3 | 7 ± 3 | 0.109 |
Comorbidities, n (%) | ||||
 Diabetes | 35 (14.52) | 22 (18.33) | 13 (10.74) | 0.095 |
 Chronic respiratory diseases | 16 (6.64) | 11 (9.17) | 5 (4.13) | 0.117 |
 Cardiovascular diseases | 117 (48.55) | 64 (53.33) | 53 (43.80) | 0.139 |
 Chronic renal insufficiency | 23 (9.54) | 13 (10.83) | 10 (8.26) | 0.497 |
 Solid tumors | 24 (9.96) | 12 (10.00) | 12 (9.92) | 0.983 |
 Hematological neoplasms | 16 (6.64) | 7 (5.83) | 9 (7.44) | 0.617 |
Immunosuppressive therapy | 43 (17.84) | 20 (16.67) | 23 (19.01) | 0.635 |
Causes of tracheal intubation, n (%) | ||||
 Respiratory failure | 174 (72.20) | 83 (69.17) | 91 (75.21) | 0.295 |
 Consciousness disorder | 41 (17.01) | 21 (17.50) | 20 (16.53) | 0.841 |
 Shock | 7 (2.90) | 4 (3.33) | 3 (2.48) | 0.722 |
 Heart failure | 7 (2.90) | 4 (3.33) | 3 (2.48) | 0.722 |
 Other reasons | 12 (4.98) | 7 (5.83) | 5 (4.13) | 0.544 |