Table 3.
Characteristics associated with hospital readmission.
| Readmission episodes (N = 655) | aSHR (95% CI)a | P-value | |
|---|---|---|---|
| Age months (log) | – | 0.85 (0.75–0.97) | 0.02 |
| Sex; female | 259 (40) | 0.91 (0.78–1.07) | 0.34 |
| Left hospital against medical advice | 34 (5.2) | 0.72 (0.49–1.07) | 0.10 |
| Admission duration days (log) | – | 1.07 (0.93–1.22) | 0.31 |
| Index discharge on a weekend | 137 (21) | 0.99 (0.81–1.20) | 0.94 |
| Cohort nutritional status strata | |||
| Not wasted | 228 (35) | Reference | |
| Moderately wasted | 159 (24) | 0.98 (0.78–1.22) | 0.90 |
| Severely wasted or kwashiorkor | 268 (41) | 1.01 (0.79–1.30) | 0.96 |
| Change in anthropometry from admission to discharge | |||
| No change | 561 (86) | Reference | |
| Improved | 67 (10) | 0.85 (0.65–1.12) | 0.31 |
| Worsened | 27 (4.1) | 1.45 (0.96–2.18) | 0.08 |
| Signs of illness severity at admission | |||
| Low | 199 (30) | Reference | |
| Medium | 204 (31) | 1.16 (0.95–1.42) | 0.24 |
| High | 252 (39) | 1.33 (1.09–1.63) | 0.005 |
| Signs of illness severity at discharge | |||
| Low | 547 (84) | Reference | |
| Medium | 99 (15) | 0.98 (0.78–1.23) | 0.95 |
| High | 9 (1.4) | 0.71 (0.36–1.42) | 0.30 |
| HIV status | |||
| Negative | 559 (85) | Reference | |
| Untested | 29 (4.4) | 1.65 (1.11–2.46) | 0.01 |
| Exposed | 50 (7.6) | 1.32 (0.97–1.80) | 0.07 |
| Infected | 17 (2.6) | 0.89 (0.55–1.46) | 0.70 |
| Underlying medical conditions | |||
| Low | 157 (24) | Reference | |
| Medium | 239 (36) | 1.43 (1.16–1.76) | <0.0001 |
| High | 259 (40) | 1.58 (1.26–1.98) | <0.0001 |
| Child-level nutritional risk exposures | |||
| Low | 382 (59) | Reference | |
| Medium | 68 (10) | 1.02 (0.79–1.33) | 0.90 |
| High | 205 (31) | 1.01 (0.82–1.25) | 0.97 |
| Caregiver characteristics | |||
| Least adverse | 231 (35) | Reference | |
| Moderately adverse | 220 (34) | 1.16 (0.95–1.42) | 0.14 |
| Most adverse | 204 (31) | 1.29 (1.04–1.58) | 0.02 |
| Household-level exposures | |||
| Least adverse | 277 (42) | Reference | |
| Moderately adverse | 200 (31) | 0.90 (0.73–1.10) | 0.31 |
| Most adverse | 178 (27) | 0.87 (0.69–1.10) | 0.20 |
| Access to health care | |||
| Least adverse | 236 (36) | Reference | |
| Moderately adverse | 232 (35) | 1.07 (0.89–1.29) | 0.54 |
| Most adverse | 187 (29) | 1.07 (0.85–1.35) | 0.50 |
| Bootstrapped AUC (95% CI) | 0.81 (0.80–0.82) | ||
Readmission episodes are reported as N (%) for categorical exposures.
All model results were weighted using sampling and lost to follow up weights.
SHR and P-values from multivariable competing risk survival model with site as random effect.
a
aSHR-adjusted Sub-distribution Hazard ratios for all predictors in the multivariable model, AUC; area under receiver operating characteristic curve, CI; Confidence Interval.