Table 3.
Impact of PT bundle on potentially avoidable care
| Observation period | Count of IP acute (per 1,000 per month) |
Count of ED visits (per 1,000 per month) |
Count of injections (per 1,000 per month) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Obs | Exp | Diff | p-value | Obs | Exp | Diff | p | Obs | Exp | Diff | p-value | |
| Prior to PT preauthorization | 10.0 | 10.0 | 0.0 | – | 39.5 | 39.5 | 0.0 | – | 21.2 | 21.2 | 0.0 | – |
| After PT Auth: 1–3 months | 9.4 | 9.1 | 0.3 | 0.890 | 60.2 | 56.2 | 4.0 | 0.515 | 55.4 | 45.7 | 9.7 | 0.331 |
| After PT Auth: 4–6 months | 7.3 | 10.8 | –3.5 | 0.206 | 27.5 | 38.7 | –11.2 | 0.030 | 84.4 | 63.8 | 20.6 | 0.115 |
| After PT Auth: 7–9 months | 8.1 | 7.6 | 0.5 | 0.862 | 22.4 | 34.4 | –12.0 | 0.036 | 44.1 | 39.2 | 4.9 | 0.689 |
| After PT Auth: >9 months | 11.3 | 7.2 | 4.1 | 0.278 | 35.4 | 38.9 | –3.5 | 0.662 | 3.5 | 23.3 | –19.8 | 0.152 |
Notes: ‘–’ indicates not available.
Abbreviations: PT, physical therapy; IP, inpatient; ED, emergency department; Obs, observed; Exp, expected; Diff, difference.