Table 4 Logistic regression model with 30Â days readmission as outcome variable (excluding those patients that died in the hospital or were discharged to hospice from the index hospitalization)
|  | Subjects readmitted within 30 days | Subjects not re-admitted within 30 days | P Value | Odds of re-admission within 30 days (95% CI)(N = 960) |
|---|---|---|---|---|
Age (N = 1084) (mean, SD) | 61.4(14.4) | 60.4(15.1) | 0.35 | 0.99(0.98–1.00) |
Male gender (n (%)) | 106(44.9) | 396(48.6) | 0.32 | 0.89(0.65–1.23) |
Race (1020) (n, %) | ||||
 Non-hispanic White | 16(6.8) | 45(5.3) |  | 1 |
 Non-hispanic Black | 105(44.5) | 441(52.0) | 0.25 | 0.92(0.46–1.85) |
 Hispanic | 65(27.5) | 193(22.8) |  | 1.28(0.62–2.65) |
 Multiracial | 3(1.3) | 16(1.9) |  | 1.08(0.24–4.78) |
 Other | 47(19.9) | 148(18.0) |  | 1.25(0.59–2.64) |
Severity of illness (n(%)) | ||||
 Minor | 55(23.3) | 271(32.0) |  | 1 |
 Moderate | 70(29.7) | 267(31.5) | 0.01 | 2.24(0.80–1.91) |
 Major | 63(27.7) | 194(22.9) |  | 1.61(1.02–2.57) |
 Extreme | 48(20.3) | 116(13.7) |  | 2.40(1.43–4.03) |
Disposition | ||||
 Home | 89(38.9) | 420(53.1) |  | 1 |
 Skill Nursing Facility | 54(23.6) | 139(17.6) | 0.002 | 1.56(1.01–2.43) |
 Homecare | 76(33.2) | 205(25.9) |  | 1.44(0.98–2.11) |
 AMA | 10(4.4) | 27(3.4) |  | 1.88(0.83–4.22) |
Prior admission in the past 12 months (median, IQR) | 2(1–4) | 0(0–2) | <0.001 | 1.22(1.16–1.28) |
Albumin (mg/dL) | 3.71(0.6) | 3.76(0.6) | 0.35 | 0.82(0.62–1.08) |
Charlson Score (mean, SD) | 5.5(2.4) | 5.2(2.4) | 0.08 | 0.97(0.91–1.05) |
SES (median, IQR) | −3.03(−5.9-(−1.2)) | −3.04(−6.4-)-1.2)) | 0.90 | 1.00(0.94–1.06) |
Non-teaching Service | 368(43.4) | 83(35.2) | 0.02 | 0.65(0.47–0.91) |
Teaching Service | 480(56.6) | 153(64.8) | Â | 1 |