Table 4.
Logarithmic and Constant Models for Ln PD Cost (MA Database)
| |
Logarithmic Model (F) |
Constant Model (G) |
|||
|---|---|---|---|---|---|
| Estimate (SE) | P-Value | Estimate (SE) | P-Value | ||
| Intercept |
9.281 (0.271) |
<.0001 |
8.445 (0.037) |
<.0001 |
|
| Ln(LOS) |
−0.315 (0.101) |
0.002 |
NA |
NA |
|
| Complication Group |
Death |
1.365 (0.281) |
<.0001 |
0.903 (0.049) |
<.0001 |
| |
Bleed |
0.25 (0.281) |
0.375 |
0.258 (0.04) |
<.0001 |
| |
MI |
0.107 (0.362) |
0.769 |
0.219 (0.051) |
<.0001 |
| |
None/Other |
0.110 (0.271) |
0.685 |
0.218 (0.037) |
<.0001 |
| |
Infection |
0.384 (0.315) |
0.224 |
0.179 (0.045) |
<.0001 |
| |
>2 Compls |
−0.17 (0.699) |
0.808 |
0.173 (0.083) |
0.038 |
| |
2 Compls |
−0.053 (0.307) |
0.864 |
0.034 (0.045) |
0.444 |
| |
Renal |
−0.086 (0.288) |
0.765 |
0.013 (0.041) |
0.759 |
| |
Stroke |
Reference* |
Reference* |
||
| Ln(LOS) x Compl. Group |
Death |
−0.313 (0.106) |
0.003 |
|
|
| |
Bleed |
−0.054 (0.107) |
0.611 |
|
|
| |
MI |
−0.005 (0.146) |
0.973 |
|
|
| |
None/Other |
−0.042 (0.102) |
0.677 |
|
|
| |
Infection |
−0.113 (0.121) |
0.35 |
|
|
| |
>2 Compls |
0.16 (0.225) |
0.477 |
|
|
| |
2 Compls |
0.049 (0.113) |
0.662 |
|
|
| |
Renal |
0.032 (0.108) |
0.765 |
|
|
| Stroke | Reference* | ||||
* Patients with stroke are used as the reference category for indicators of complication: coefficients represent difference in log PD costs for each type of complication relative to stroke.