Table 1.
Patient demographics.
| Variable | # of patients | Frequency |
|---|---|---|
| Age (yrs) ± SD | 50.7 ± 18.7 | |
| Gender | ||
| Male | 163 | 45.5% |
| Female | 195 | 54.5% |
| Race | ||
| Caucasian | 172 | 48.0% |
| African American | 65 | 18.2% |
| Hispanic/Latino | 72 | 20.1% |
| Other | 49 | 13.7% |
| Blood group | ||
| A | 128 | 35.8% |
| B | 51 | 14.2% |
| AB | 18 | 5.0% |
| O | 161 | 45.0% |
| Rh blood type | ||
| Positive | 304 | 84.9% |
| Negative | 54 | 15.1% |
| Cause | ||
| Biliary | 131 | 36.6% |
| Alcohol | 77 | 21.5% |
| Other | 150 | 41.9% |
| Atlanta classification | ||
| Mild | 283 | 79.1% |
| Moderately severe (MS) | 65 | 18.1% |
| Severe (S) | 10 | 2.8% |
| Length of stay (days) ± SD | 5.77 ± 7.60 | |
| Total # of patients | 358 |