Table 4.
Sensitivity Analysis: 3:1 (Gabapentin:Duloxetine) Matched Analysis
| Gabapentin (N Prescriptions: 288,531) |
Duloxetine (N Prescriptions: 91,177) |
Cox Proportional Hazards Analysis | ||||||
|---|---|---|---|---|---|---|---|---|
| Outcome | Concurrent MME | N Events | Person-Years | Rate per 1,000 person-years | N Events | Person-Years | Rate per 1,000 person-years | Hazard Ratio (95% CI) |
| All-Cause Mortality | No MME (MME = 0) | 243 | 22505 | 10.80 | 83 | 8051 | 10.31 | 1.06 (0.83, 1.36) |
| Low MME (MME >0 & MME < 50) | 60 | 3698 | 16.22 | 20 | 1289 | 15.52 | 1.05 (0.63, 1.74) | |
| High MME (MME ≥ 50) | 25 | 2091 | 11.96 | <11 | 744 | 9.40 | 1.30 (0.56, 3.01) | |
| Out of Hospital Mortality | No MME (MME = 0) | 127 | 22402 | 5.67 | 34 | 8014 | 4.24 | 1.33 (0.91, 1.95) |
| Low MME (MME >0 & MME < 50) | 40 | 3671 | 10.90 | 13 | 1281 | 10.15 | 1.07 (0.57, 2.00) | |
| High MME (MME ≥ 50) | 20 | 2076 | 9.63 | <11 | 739 | 5.41 | 1.82 (0.62, 5.34) | |
CI=confidence interval, MME= Morphine Milligram Equivalents
Duloxetine is the reference for all Hazard Ratios