Table 5.
Comparison of NSPE index between models
| Model | Variables | N | Mean (SD) | Min | Q1 | Median | Q3 | Max | IQR | Range |
|---|---|---|---|---|---|---|---|---|---|---|
|
Model 0 (ADRG) |
Overall | 1,665 | 1,018 (0.370) | 0.005 | 0.825 | 0.978 | 1.136 | 4.550 | 0.311 | 4.545 |
| Tertiary hospital | 42 | 0.996 (0.072) | 0.781 | 0.951 | 0.999 | 1.043 | 1.181 | 0.091 | 0.400 | |
| General hospital | 310 | 0.935 (0.208 | 0.425 | 0.803 | 0.916 | 1.043 | 2.422 | 0.241 | 1.997 | |
| Hospital | 1,313 | 1.038 (0.401) | 0.005 | 0.826 | 0.997 | 1.187 | 4.550 | 0.361 | 4.545 | |
|
Model 1 (RDRG) |
Overall | 1,665 | 1.024 (0.363) | 0.005 | 0.843 | 0.990 | 1.135 | 4.629 | 0.292 | 4.624 |
| Tertiary hospital | 42 | 0.995 (0.075) | 0.855 | 0.934 | 0.987 | 1.050 | 1.174 | 0.116 | 0.318 | |
| General hospital | 310 | 0.953 (0.203) | 0.406 | 0.837 | 0.945 | 1.041 | 2.222 | 0.205 | 1.817 | |
| Hospital | 1,313 | 1.042 (0.395) | 0.005 | 0.841 | 1.008 | 1.174 | 4.629 | 0.332 | 4.624 | |
|
Model 2 (ADRG + CCI) |
Overall | 1,665 | 1.007 (0.350) | 0.005 | 0.821 | 0.976 | 1.127 | 3.619 | 0.306 | 3.613 |
| Tertiary hospital | 42 | 0.988 (0.071) | 0.810 | 0.940 | 0.981 | 1.037 | 1.148 | 0.097 | 0.338 | |
| General hospital | 310 | 0.933 (0.202) | 0.420 | 0.801 | 0.927 | 1.031 | 2.222 | 0.230 | 1.802 | |
| Hospital | 1,313 | 1.025 (0.379) | 0.005 | 0.822 | 0.994 | 1.162 | 3.619 | 0.340 | 3.613 | |
|
Model 3 (ADRG + NHIS-HCC) |
Overall | 1,665 | 1.019 (0.368) | 0.024 | 0.835 | 0.987 | 1.130 | 5.201 | 0.295 | 5.177 |
| Tertiary hospital | 42 | 0.994 (0.068) | 0.843 | 0.947 | 0.996 | 1.032 | 1.180 | 0.084 | 0.337 | |
| General hospital | 310 | 0.946 (0.197) | 0.449 | 0.824 | 0.936 | 1.040 | 2.266 | 0.216 | 1.817 | |
| Hospital | 1,313 | 1.038 (0.401) | 0.024 | 0.829 | 1.001 | 1.170 | 5.201 | 0.341 | 5.177 | |
|
Model 4 (ADRG + HHS-HCC) |
Overall | 1,665 | 1.011 (0.354) | 0.006 | 0.826 | 0.979 | 1.132 | 4.182 | 0.306 | 4.176 |
| Tertiary hospital | 42 | 0.992 (0.070) | 0.846 | 0.949 | 0.992 | 1.040 | 1.156 | 0.091 | 0.310 | |
| General hospital | 310 | 0.942 (0.197) | 0.409 | 0.819 | 0.944 | 1.039 | 2.276 | 0.220 | 1.867 | |
| Hospital | 1,313 | 1.028 (0.385) | 0.006 | 0.819 | 0.996 | 1.163 | 4.182 | 0.344 | 4.176 |
ADRG Adjacent Diagnosis Related Group, CCI Charlson Comorbidity Index, HHS-HCC Department of Health and Human Service Hierarchical Condition Category, IQR Interquartile Range, NHIS-HCC National Health Insurance Service Hierarchical Condition Categories, NSPE National Health Insurance Service Spending Per Episode, RDRG Refined Diagnosis Related Group, SD Standard Deviation, Q1 Quartile 1, Q3 Quartile 3