Table 2.
Results of Estimated Difference in Annual Health Care Spending Among Adults who have a Specialist as their Usual Source of Care Compared to a Primary Care Physician. Medical Expenditure Panel Survey 2008
| Inference | Propensity Score Method |
Estimated Difference |
P-value |
|---|---|---|---|
| PATE | |||
| 1:1 matching | NA | ||
| 5:1 matching | NA | ||
| Subclassification | $2,765.64 | <0.001 | |
| Weighting | $2,477.02 | <0.001 | |
| PATT | |||
| 1:1 matching | $2,544.76 | 0.086 | |
| 5:1 matching | $3,614.43 | <0.001 | |
| Subclassification | $3,414.36 | <0.001 | |
| Weighting | $1,759.60 | 0.003 | |
| SATE | |||
| 1:1 matching | NA | ||
| 5:1 matching | NA | ||
| Subclassification | $2,573.13 | <0.001 | |
| Weighting | $2,948.03 | 0.000 | |
| SATT | |||
| 1:1 matching | $1,118.09 | 0.448 | |
| 5:1 matching | $3,193.53 | <0.001 | |
| Subclassification | $2,723.21 | <0.001 | |
| Weighting | $2,015.33 | 0.002 |