| Group A | Group B | ta | p value | ||
Mean | SD | Mean | SD | |||
Age | 55.83 | 18.53 | 59.96 | 12.31 | 0.890 | 0.378 |
 | N | % | N | % | χ2b | p value |
Gender | ||||||
 Male | 13 | 56.5% | 18 | 78.3% | 2.473 | 0.116 |
 Female | 10 | 43.5% | 5 | 21.7% | ||
 | Group A | Group B | χ2b | p value | ||
N | % | N | % | |||
Type of lung disease | ||||||
 Restrictive | 15 | 65.2% | 9 | 39.1% | 3.136 | 0.077 |
 Obstructive | 8 | 34.8% | 14 | 60.9% | ||
 | Group A | Group B | χ2b | p value | ||
N | % | N | % | |||
Comorbidity | ||||||
 Yes | 10 | 43.5% | 11 | 47.8% | 0.088 | 0.767 |
 No | 13 | 56.5% | 12 | 52.2% | ||
 | Group A | Group B | χ2b | p value | ||
N | % | N | % | |||
Type of respiratory failure | ||||||
 Type I | 14 | 60.9% | 7 | 30.4% | 4.293 | 0.038 |
 Type II | 9 | 39.1% | 16 | 69.6% | ||
 | Group A | Group B | ta | p value | ||
Mean | SD | Mean | SD | |||
Days of mechanical ventilation | 3.50 | 3.38 | 3.35 | 2.10 | 0.150 | 0.882 |
Days of ICU stay | 6.30 | 4.89 | 7.48 | 4.01 | 0.890 | 0.378 |
 | N | % | N | % | χ2b | p value |
Comfort | ||||||
 Yes | 17 | 73.9% | 17 | 73.9% | 0.00 | 1.00 |
 No | 6 | 26.1% | 6 | 26.1% | ||
Mechanical ventilation | ||||||
 Yes | 8 | 34.8% | 5 | 21.7% | 0.965 | 0.326 |
 No | 15 | 65.2% | 18 | 78.3% | ||
Cause of discharge | ||||||
 Death | 7 | 30.4% | 5 | 21.7% | 0.451 | 0.502 |
 Improve | 16 | 69.6% | 18 | 78.3% |