Table 7.
Covariate and equation parameters for linear regression of hospitalization costs
| Variable | Unstandardized Coefficients |
Std. Error | Standardized Coefficients |
Statistics (t) |
P |
|---|---|---|---|---|---|
| Constant | 3.820 | .120 | 31.944 | .000 | |
| HAIs sites | |||||
| Blood related | .762 | .208 | .265 | 3.661 | .000 |
| Superficial incision | .482 | .128 | .320 | 3.760 | .000 |
| Organ lacunar | .673 | .308 | .149 | 2.184 | .030 |
| Deep incision | .774 | .195 | .294 | 3.961 | .000 |
| Intra-abdominal tissue | .695 | .435 | .109 | 1.595 | .113 |
| Urinary | .511 | .124 | .360 | 4.120 | .000 |
| Skin soft-tissue | .422 | .151 | .222 | 2.789 | .006 |
| Lower respiratory | .606 | .104 | .625 | 5.820 | .000 |
| Gastrointestinal | .060 | .190 | .023 | .315 | .753 |
| Other | −.049 | .429 | −.008 | −.114 | .909 |
| Classification of GDP | |||||
| 1 | .088 | .124 | .057 | .710 | .479 |
| 2 | −.052 | .081 | −.053 | −.649 | .517 |
| 3 | −.076 | .096 | −.064 | −.784 | .434 |
| Classification of the number of hospital beds | |||||
| 1 | −.241 | .102 | −.184 | −2.367 | .019 |
| 2 | −.162 | .090 | −.149 | −1.795 | .075 |
| 3 | .013 | .097 | .012 | .138 | .890 |