Table 2.
Augmented Dickey Fuller stationarity test.
| Ambulatory Surgery Center Type | Dickey-Fuller Test Statistic | p-value |
|---|---|---|
| All | −4.0292 | 0.01619* |
| Otolaryngology | −2.9854 | 0.1806 |
| Orthopedics | −3.701 | 0.03456* |
| Urology | −2.8007 | 0.2544 |
| Multispecialty | −2.2533 | 0.473 |