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Table 3 Crude changes in health care utilization pre- and post–index date among propensity score–matched cohorts a
| Amitriptyline | Pregabalin | Duloxetine | Pregabalin | Gabapentin | Pregabalin | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | Pre | Post | |
| Mean number of outpatient visits | 7.4 | 5.5 | 7.7 | 6.2 | 8.3 | 6.3 | 8.2 | 6.5 | 8.8 | 6.9 | 8.6 | 7.0 |
| Mean number of PCP visits | 3.6 | 2.8 | 3.5 | 2.8 | 3.8 | 2.8 | 3.7 | 2.9 | 3.9 | 3.1 | 3.8 | 3.1 |
| Mean number of specialist visits | 5.9 | 4.3 | 6.4 | 5.0 | 6.5 | 4.7 | 6.8 | 5.2 | 7.6 | 5.8 | 7.7 | 5.9 |
| Mean number of prescription drugs | 7.9 | 7.9 | 8.0 | 8.3 | 8.6 | 8.4 | 8.6 | 8.9 | 9.4 | 9.3 | 9.2 | 9.5 |
| Any acute hospitalization (%) | 9.8 | 5.6 | 10.9 | 7.9 | 9.9 | 7.7 | 11.2 | 8.4 | 14.2 | 9.7 | 13.3 | 10.5 |
| Any ED visit (%) | 11.8 | 12.4 | 10.5 | 13.4 | 9.9 | 15.5 | 10.3 | 14.5 | 12.4 | 17.0 | 10.9 | 16.9 |
| Physical therapy (%) | 4.4 | 7.4 | 5.1 | 9.7 | 5.0 | 7.0 | 5.2 | 9.1 | 6.2 | 10.8 | 5.8 | 10.2 |
