Table 1.
Patient characteristics for the whole sample and for the stratified groups.
| All (n=207) | Historical control (n=113) | EMR intervention (n=94) | p-valuea | |
|---|---|---|---|---|
| Age, years, median (IQR) | 52 (44, 58) | 51 (43, 59) | 54 (46, 58) | 0.30 |
| Male, n (%) | 150 (72.5) | 81 (71.7) | 69 (73.4) | 0.78 |
| Race/ethnicity, n (%) | 0.12 | |||
| Hispanic | 73 (35.3) | 42 (37.2) | 31 (33.0) | |
| Non-Hispanic white | 37 (17.9) | 17 (15.0) | 20 (21.3) | |
| Non-Hispanic black | 71 (34.3) | 35 (31.0) | 36 (38.3) | |
| Non-Hispanic other | 13 (6.3) | 11 (9.7) | 2 | Order options added with EMR change |
| Declined | 13 (6.3) | 8 (7.1) | 5 (5.3) | |
| Homeless, n (%) | 18 (8.7) | 9 (8.0) | 9 (9.6) | 0.68 |
| High Riskb, n (%) | 129 (62.3) | 70 (62.0) | 59 (62.8) | 0.90 |
| Total number of comorbidities, median (IQR) | 2 (2, 3) | 2 (2, 3) | 2 (1, 3) | 0.73 |
| Comorbidities, n (%) | ||||
| Cardiovascular | 87 (42.0) | 57 (50.4) | 30 (31.9) | 0.007 |
| Gastrointestinal (non-hepatic) | 73 (35.3) | 40 (35.4) | 33 (35.1) | 0.97 |
| Hepatic | 55 (26.6) | 29 (25.7) | 26 (27.7) | 0.75 |
| Neuro/Psychiatric | 69 (33.3) | 34 (30.1) | 35 (37.2) | 0.28 |
| Respiratory | 45 (21.7) | 27 (23.9) | 18 (19.2) | 0.41 |
| Metabolic | 45 (21.7) | 28 (24.8) | 17 (18.1) | 0.25 |
| Infectious (non-HIV) | 39 (18.8) | 19 (16.8) | 20 (21.3) | 0.41 |
| HIV/AIDS | 7 (3.4) | 5 (4.4) | 2 (2.1) | 0.46 |
| Hematology/Oncology | 36 (17.4) | 16 (14.2) | 20 (21.3) | 0.18 |
| Renal | 26 (12.6) | 12 (10.6) | 14 (14.9) | 0.36 |
| Otherc | 35 (16.9) | 15 (13.3) | 20 (21.3) | 0.13 |
a
Wilcoxon rank sum test was used to compare continuous variables while Pearson’s chi-square test or Fisher’s exact test was used to compare categorical variables.
b
High Risk was defined as patients who were in a state of alcohol intoxication, alcohol withdrawal, or delirium tremens during their hospitalization.
c
Other types of comorbidities included urologic, endocrine, trauma, rhabdomyolysis, dermatologic, and arthritic.