Table 2.
Unplanned readmission and its determinants
| Outcome indicator | All-cause readmission | Same MDC readmission | ||||||
|---|---|---|---|---|---|---|---|---|
| Models | Logit | Hazard | Logit | Hazard | ||||
| Variables | Coefficient | SE | Coefficient | SE | Coefficient | SE | Coefficient | SE |
| Patient-level | ||||||||
| LOS ( hospital unit) | − 0.0765*** | (0.00235) | − 0.0519*** | (0.00240) | − 0.0717*** | (0.00701) | − 0.0615*** | (0.00845) |
| LOS hospital trust | 0.0319*** | (0.00459) | 0.0266*** | (0.00454) | 0.0158 | (0.0126) | 0.0202 | (0.0148) |
| LOS teaching hospital | 0.0474*** | (0.00530) | 0.0338*** | (0.00533) | 0.00857 | (0.0150) | 0.00757 | (0.0179) |
| LOS research hospital | 0.0475*** | (0.0117) | 0.0311*** | (0.0118) | 0.00639 | (0.0387) | 0.0199 | (0.0401) |
| LOS private clinic | − 0.0274*** | (0.00988) | − 0.0199* | (0.0105) | − 0.0608** | (0.0262) | − 0.0825** | (0.0378) |
| LOS others | 0.0221** | (0.0107) | 0.0228** | (0.0109) | 0.0793*** | (0.0237) | 0.0913*** | (0.0234) |
| Age | 0.253*** | (0.0210) | 0.227*** | (0.0229) | 0.310*** | (0.0594) | 0.331*** | (0.0758) |
| Age2 | − 0.00173*** | (0.000135) | − 0.00153*** | (0.000147) | − 0.00189*** | (0.000375) | (0.0757) | (0.000478) |
| Male | 0.150*** | (0.0169) | 0.151*** | (0.0185) | 0.188*** | (0.0490) | 0.199*** | (0.0622) |
| Foreign | − 0.239*** | (0.0887) | − 0.170* | (0.0973) | − 0.808** | (0.357) | − 1.205** | (0.558) |
| PTCA stent | − 0.677*** | (0.0226) | − 0.617*** | (0.0247) | − 0.808** | (0.0608) | − 0.845*** | (0.0786) |
| CABG | − 1.338*** | (0.192) | − 1.466*** | (0.228) | 0.227 | (0.270) | 0.240 | (0.340) |
| Catheter | − 0.267*** | (0.0546) | − 0.270*** | (0.0588) | − 0.405*** | (0.144) | − 0.423** | (0.183) |
| Institutions | 0.0401 | (0.0613) | − 0.293* | (0.153) | − 0.242 | (0.175) | − 0.210 | (0.221) |
| Hospital-level | ||||||||
| Hospital type (reference hospital unit) | ||||||||
| Hospital trust | − 0.427*** | (0.112) | − 0.367*** | (0.0997) | − 0.113 | (0.168) | 0.0813 | (0.219) |
| Teaching hospital | − 0.506*** | (0.154) | − 0.381*** | (0.137) | − 0.127 | (0.196) | 0.456 | (0.287) |
| Research hospital | − 0.584*** | (0.212) | − 0.415** | (0.198) | − 0.161 | (0.240) | − 0.123 | (0.505) |
| Private clinic | 0.178* | (0.100) | 0.00852 | (0.102) | 0.262 | (0.172) | 0.822*** | (0.267) |
| Others | − 0.151 | (0.160) | − 0.254* | (0.150) | 0.254* | (0.150) | − 1.098*** | (0.391) |
| AMI volume | − 0.0009*** | (0.00025) | − 0.0008*** | (0.00024) | − 0.00104** | (0.00044) | − 0.00127** | (0.00059) |
| Capacity | − 0.0006*** | (0.00014) | − 0.0006*** | (0.0001) | − 0.0009*** | (0.0002) | − 0.001*** | (0.0004) |
| AMI mortality | ||||||||
| Low | − 0.295*** | (0.107) | − 0.0650 | (0.100) | − 0.140 | (0.170) | − 0.166 | (0.238) |
| Medium | − 0.388*** | (0.0929) | − 0.175** | (0.0863) | − 0.0154 | (0.143) | − 0.0852 | (0.201) |
| Regional-level | ||||||||
| Average income (thousand) | − 0.03** | (0.014) | − 0.03** | (0.015) | − 0.02** | (0.015) | − 0.01 | (0.052) |
| Constant | − 10.98*** | (0.944) | − 17.38*** | (1.029) | − 17.63*** | (1.038) | − 26.10*** | (3.432) |
| ln_p | 0.750*** | (0.00872) | 0.647*** | (0.0265) | ||||
| Variance LHA level | 0.0702*** | (0.0237) | 0.0242 | (0.0208) | 0.0455*** | (0.0171) | 1.61e−09 | (9.79e−05) |
| Variance hospital level | 0.368*** | (0.0321) | 0.251*** | (0.0429) | 0.232*** | (0.0226) | 0.561*** | (0.155) |
Number of observations 383,162. Number of hospitals 883. Number of LHAs 154. Coefficients for comorbidities, education, regional and year fixed effects can be found in the Appendix Table 6
***Significant at 1%; **significant at 5%; *significant at 10%