Table 1 Results of threshold, coefficient, and endogeneity tests of base-case and two scenarios
| Â | Base-case | Scenario 1 | Scenario 2 |
|---|---|---|---|
Coefficient of cost | 0.611 (p < 0.001) | 0.638 (p < 0.001) | 0.595 (p < 0.001) |
Coefficient of age | − 1.656 (p = 0.001) | − 1.678 (p < 0.001) | − 1.512 (p < 0.001) |
Coefficient of 2nd line of treatment | − 0.42 (p = 0.012) | − 0.271 (p = 0.026) | − 0.464 (p < 0.001) |
Durbin-Wu-Hausman (p value) | 0.0162 | 0.0231 | 0.0213 |
Threshold (ï¿¥) | 150,962 | 112,324 | 111,824 |
Threshold/GDP | 1.86 | 1.39 | 1.38 |