Article Figures & Data
Figures
- Figure 1
Incidence rate ratios (IRRs) and 95% CIs are estimated from the count portion of a multivariable zero-inflated negative binomial regression model (all variables were included in the binary portion of the model). AMA, against medical advice; AWOL, absent without leave.
Tables
- Table 1
Age, housing status, insurance and discharge location were associated with increased risk of delay in discharge
All patients Patients experiencing delay in discharge Patients experiencing no delay in discharge P value* N (%) 1720 (100) 261 (15.2) 1459 (84.8) Age in years,
mean±SD49.6±19.0 55.4±18.5 48.5±18.9 <0.001 Gender, n % 0.990 Male 1067 (62.0) 162 (62.1) 905 (62.0) Female 653 (38.0) 99 (37.9) 554 (38.0) Other† 0 (0) 0 (0) 0 (0) Ethnicity, n (%) 0.058 White 444 (25.8) 60 (23.0) 384 (26.3) African-American 225 (13.1) 48 (18.4) 177 (12.1) Asian 329 (19.1) 48 (18.4) 281 (19.3) Hispanic 652 (37.9) 98 (37.5) 554 (38.0) Other, incl Native American/Pacific Islander 70 (4.1) 7 (2.7) 63 (4.3) Unhoused, n (%) <0.001 Yes 227 (13.2) 60 (23.0) 167 (11.4) No 1459 (84.8) 194 (74.3) 1265 (86.7) Unknown 34 (2.0) 7 (2.7) 27 (1.9) Lives in SF, no. (%) 1237 (71.9) 182 (69.7) 1055 (72.3) 0.393 Insurance, n (%) <0.001 Medi-Cal 566 (32.9) 101 (38.7) 464 (31.8) San Franisco Health Plan (SFHP) 365 (21.2) 55 (21.1) 310 (21.3) Medicare 351 (20.4) 67 (25.7) 284 (19.5) Medicare+Medi Cal 25 (1.5) 13 (5.0) 12 (0.8) Private 319 (18.6) 14 (5.4) 305 (20.9) Self-pay 22 (1.3) 3 (1.2) 19 (1.3) Worker’s comp 41 (2.4) 3 (1.2) 38 (2.6) Other 31 (1.8) 5 (1.9) 26 (1.8) Has primary care provider, n % 719 (41.8) 115 (44.1) 604 (41.4) 0.422 Primary language English, n % 1236 (71.9) 188 (72.0) 1048 (71.8) 0.947 Discharge location, n % <0.001 Home 1348 (78.4) 173 (66.3) 1175 (80.5) Postacute care facility 124 (7.2) 58 (22.2) 66 (4.5) Other 92 (5.4) 10 (3.8) 82 (5.6) AMA/AWOL 60 (3.5) 3 (1.1) 57 (3.9) Died 59 (3.4) 7 (2.7) 52 (3.6) Home health 37 (2.2) 10 (3.8) 27 (1.9) *P values were calculated using an unpaired t-test for continuous variables, and Pearson’s χ2 or Fisher’s exact test for categorical variables.
†Not included in statistical test.
AMA, against medical advice; AWOL, absent without leave; SF, San Francisco.
- Table 2
ORs and 95% CIs for patients the odds of experiencing delays in discharge, from univariate and multivariate logistic regression models
Univariate Multivariable OR 95% CI OR 95% CI Age 1.02 1.01 to 1.03 1.02 1.01 to 1.03 Ethnicity: white ref African-American 1.74 1.14 to 2.64 1.53 0.96 to 2.44 Asian 1.09 0.73 to 1.65 1.08 0.69 to 1.71 Hispanic 1.13 0.80 to 1.60 1.27 0.86 to 1.88 Other 0.71 0.31 to 1.63 0.82 0.35 to 1.93 Unhoused: no ref Yes 2.34 1.68 to 3.26 2.45 1.68 to 3.59 Unknown 1.69 0.73 to 3.94 1.46 0.58 to 3.67 Insurance: public ref Medicare 1.17 0.85 to 1.61 0.56 0.36 to 0.88 Private 0.23 0.13 to 0.40 0.24 0.13 to 0.44 Other 1.26 0.78 to 2.03 1.14 0.67 to 1.93 Discharge location: home ref AMA/AWOL 0.36 0.11 to 1.15 0.27 0.08 to 0.87 Long-term care 5.97 4.05 to 8.79 6.36 4.11 to 9.85 Home health 2.52 1.20 to 5.29 2.75 1.26 to 6.00 Died 0.91 0.41 to 2.05 0.73 0.32 to 1.67 Other 0.83 0.42 to 1.63 1.06 0.52 to 2.18 Bold and italicized results are significant at p<0.05.
AMA, against medical advice; AWOL, absent without leave.
