| Variables | Study Group | Control Group | - |
|---|---|---|---|
| Sample size (n) | 111 | 51 | - |
| Sex | Female: 56 (50.5%) |
Female: 23 (45.1%) |
p =0.26 |
| Male: 55 (49.5%) |
Male: 28 (54.9%) |
P=0.26 | |
| Mean age (years) | 67.25 +/- 13.3 | 69.15 +/- 10.11 | P= 0.67 |
| Ethnicity | Caucasian Americans: 51 (45.9%) | Caucasian Americans: 23 (45.1%) | P=0.46 |
| Hispanic Americans: 51 (45.9%) | Hispanic Americans: 25 (49%) | P=0.35 | |
| African Americans: 9 (8.2%) | African Americans: 3 (5.9%) | P=0.30 | |
| Time to wean ventilator (days) | 7.67 +/- 6.58 | 16.67 +/- 18.91 | P<0.001 |
| Mortality proportion | 24/111 (0.21) | 19/51 (0.37) | P <0.05 (0.0153) |