Table 6 Robustness check with fractional logit models and aesthetic invasive treatments
| Â | Model I | Model II | Model III |
|---|---|---|---|
Type of outcome variable | Proportional postoperative infections | Proportional postoperative infections | Percentage postoperative infections – aesthetic surgery |
Type of model used | Fractional logit | Fractional logit | RE-Linear |
Type of data used | Annual data | Annual data | Annual data |
Log invasive treatments | −0.226** (0.111) |  | −0.566*** (0.135) |
Highest quantile invasive treatments | Â | Reference | Â |
Higher medium quantile invasive treatments | Â | 0.279 (0.193) | Â |
Lower medium quantile invasive treatments | Â | 0.869*** (0.236) | Â |
Lowest quantile invasive treatments | Â | 1.321*** (0.452) | Â |
FTE number of professionals | 0.029 (0.021) | 0.056*** (0.021) | 0.012 (0.033) |
No chain membership | Reference | Reference | Reference |
Chain membership | −0.188 (0.215) | −0.550* (0.318) | 0.755** (0.317) |
For-profit | Reference | Reference | Reference |
Non-profit | 0.558* (0.310) | 0.782** (0.339) | −0.226 (0.319) |
Cluster/Identifier | ID ITC | ID ITC | ID ITC |
Observations | 555 | 596 | 113 |