TABLE 2.
Baseline Characteristics of Patients at the Time of the Enrollment
| Characteristic | Baseline | Intervention | p | Portal Users | Nonusers | p |
|---|---|---|---|---|---|---|
| No. of unique admissions | 1,030 | 1,075 | 194 | 881 | 0.03 | |
| White | 730 (70.87%) | 717 (66.70%) | 0.04 | 146 (75.26%) | 571 (64.81%) | |
| Black | 145 (14.08) | 152 (14.14) | 19 (9.79) | 133 (15.10) | ||
| Hispanic | 74 (7.18) | 91 (8.47) | 11 (5.67) | 80 (9.08) | ||
| Other | 17 (1.65) | 37 (3.44) | 3 (1.55) | 34(3.86) | ||
| Unknown | 64 (6.21) | 78 (7.26) | 15 (7.73) | 63 (7.15) | ||
| Medicaid | 75 (7.30) | 129 (12.01) | 0.003 | 17 (8.76) | 112 (12.73) | 0.06 |
| Medicare | 508 (49.46) | 497 (46.28) | 82 (42.27) | 415 (47.16) | ||
| Private | 408 (39.73) | 398 (37.06) | 89 (45.88) | 309 (35.11) | ||
| Self pay | 14 (1.36) | 22 (2.05) | 3(1.55) | 19 (2.16) | ||
| Other | 22 (2.14) | 28 (2.61) | 3(1.55) | 25 (2.84) | ||
| Missing | 3 | 1 | 0 | 1 | ||
| Female | 505 (49.03) | 535(49.77) | 0.73 | 104 (53.61) | 431 (48.92) | 0.24 |
| Mean age (SD) | 60.27 (17.22) | 59.92 (17.05) | 0.47 | 58.13 (16.27) | 60.31 (17.21) | 0.09 |
| Mean Charlson score (SD)a | 3.86 (2.67) | 4.03 (2.66) | 0.08 | 4.11 (2.69) | 4.02 (2.66) | 0.67 |
| Mean of median income based on zip code (SD) | 69,850.52 (24,784.07) | 68,484.54 (25,377.82) | 0.10 | 71,076.23(23,390.38) | 67,919.30 (25,769.10) | 0.07 |
| Average total hospital length of stay per patient admission | 12.90 (13.96) | 13.32 (15.01) | 0.99 | 18.60 (18.07) | 12.16 (14.00) | < 0.0001 |
a
Higher Charlson score indicates greater risk of 10-yr mortality.