Table 1 Statistic results of the general clinical characteristics between the two groups
Observation indexes | Venturi group N = 45 | HFNC group N = 42 | χ2 OR t value | P value |
|---|---|---|---|---|
Female, n (%)* | 23 (51.1) | 22 (52.4) | 0.014 | 0.906 |
Age ≥ 75 years old, n (%)* | 21 (46.7) | 25 (59.5) | 1.441 | 0.230 |
The proportion of those with multiple organ failure n (%)Δ | 29 (64.4) | 15 (35.7) | 7.174 | 0.007 |
Involved organ | ||||
Lung | 45 (100) | 42 (100) | ||
Kidney | 8 (17.8) | 6 (14.3) | ||
Circulation | 7 (15.6) | 4 (9.5) | ||
Blood | 5 (11.1) | 1 (2.4) | ||
Gastrointestinal | 9 (20.0) | 4 (9.5) | ||
Co-morbidities | ||||
Chronic left heart failure (NYHA III or IV), n (%)* | 10 (22.2) | 13 (40.0) | 0.851 | 0.356 |
Diabetes mellitus, n (%)* | 22 (48.9) | 18 (42.9) | 0.318 | 0.573 |
Chronic obstructive pulmonary disease (COPD), n (%)Δ | 9 (20) | 19 (45.2) | 6.340 | 0.012 |
State of somnolence, n (%)* | 23 (51.1) | 18 (42.9) | 0.594 | 0.441 |
Duration of strokeΔ | 5.984 | 0.014 | ||
≥ 48 weeks, n (%) | 31 (68.9) | 18 (42.9) | ||
< 48 weeks, n (%) | 14 (31.1) | 24 (57.1) | ||
(Rehabilitative therapies 48 weeks after stroke)* | 0.900 | 0.343 | ||
Yes, n (%) | 19 (42.2) | 22 (52.4) | ||
No, n (%) | 26 (57.8) | 20 (47.6) | ||
PaCO2(mmHg) mean (SD) | ||||
0H | 47.4 (5.4) | 46.8 (5.7) | − 0.308 | 0.761 |
After 4 h* | 41.6 (3.6) | 37.6 (2.9) | − 3.361 | 0.002 |
After 8 hΔ | 39.1 (2.7) | 35.5 (2.0) | − 4.080 | 0.000 |
After 12 hΔ | 37.0 (1.7) | 35.5 (1.4) | − 2.598 | 0.014 |
After 24 h* | 35.3 (1.9) | 34.8 (2.5) | − 0.547 | 0.588 |
After 48 h* | 35.5 (1.6) | 35.4 (1.6) | − 0.214 | 0.832 |
After 72 h* | 36.2 (1.9) | 35.9 (1.4) | − 0.521 | 0.606 |
Ischemic stroke, n (%)* | 16 (35.6%) | 17 (40.5%) | 0.223 | 0.636 |