Table 6.
The relationship between dependent quantitative and qualitative variables with the difference between global tariffs and cost bills in inpatient surgeries
| Variable | Coefficient | Std. error | T | P > t |
|---|---|---|---|---|
| Operation room costs | 1.813807 | .3112659 | 5.83 | 0.000 |
| Bed day costs | .0931373 | .1097859 | 0.85 | 0.397 |
| Surgeon’s fee | −.0819103 | .0578948 | −1.41 | 0.158 |
| Nursing services | 12.95004 | 2.235872 | 5.79 | 0.000 |
| Anesthesia fee | .5926864 | .061837 | 9.58 | 0.000 |
| Costs of other services | .3273084 | .0114789 | 28.51 | 0.000 |
| Basic insurance organization | ||||
| Public health insurance | −411,840.2 | 236,216.2 | −1.74 | 0.082 |
| Relief Committee, rural health services and foreigners | −526,569.1 | 309,867.6 | −1.70 | 0.090 |
| Armed Forcesa | −399,919.5 | 722,003.5 | −0.55 | 0.580 |
| Treatment Services for employees and other groups | −186,564.5 | 468,382 | −0.40 | 0.691 |
| Grouping the operation type | ||||
| Gynecology | 1,390,989 | 386,412.1 | 3.60 | 0.000 |
| Ophthalmology | 1,058,021 | 310,024.2 | 3.41 | 0.001 |
| ENT | 951,381.8 | 492,320.6 | 1.93 | 0.054 |
| Urology, orthopedic, cardiac and neurology | 46,669.77 | 484,491.7 | .10 | 0.923 |
aIn the section “basic insurance organization, social security insurance was used as the basis of regression, and in grouping the surgery type, general surgery was considered the basis of regression