| Before OMT | During OMT | Reduction % | Increase % | P-value** |
---|---|---|---|---|---|
 | Incidents/treatment days per 100 patient ears | Incidents/treatment days per 100 patient years |  |  |  |
Substance-related incidents | Â | Â | Â | Â | Â |
Overdoses (non-fatal) | 17.7 | 9.9 | 44 | Â | 0.127 |
Injection-related incidents, total*** | 40.6 | 11.8 | 70 | Â | <0.001 |
Acute thromboembolic incidents | 4.6 | 0.0 | Â | Â | Â |
Acute hepatitis | 1.7 | 0.0 | Â | Â | Â |
Acute local infection | 32.6 | 10.9 | Â | Â | Â |
Acute/sub-acute general infection | 1.7 | 1.0 | Â | Â | Â |
Other substance-related incidents | 21.7 | 8.9 | 59 | Â | 0.087 |
Total | 80.0 | 30.6 | 62 | Â | <0.001 |
Non-substance-related incidents | Â | Â | Â | Â | Â |
Infections | 10.3 | 8.9 | 14 | Â | 0.849 |
Injuries | 20.6 | 19.7 | 4 | Â | 0.832 |
Other incidents | 12.6 | 20.7 | Â | 64 | 0.375 |
Total | 43.5 | 49.3 | Â | 13 | 0.741 |
All incidents | 123.5 | 79.9 | 35 | Â | 0.004 |
Treatment days | Â | Â | Â | Â | Â |
Inpatient days | 257.0 | 61.0 | 76 | Â | 0.003 |
Outpatient days | 59.0 | 32.0 | 45 | Â | 0.060 |