Table 4.
Monte-carlo mean of F-statistics in each scenario using the treatment prescribed to the last patient as proxy of instrument
| n | Level | Weak | Mod | Strong |
|---|---|---|---|---|
| 30000 | ||||
| High | 8.13 | 13.99 | 45.30 | |
| Med | 12.18 | 15.66 | 49.45 | |
| Low | 13.50 | 16.18 | 50.83 | |
| 20000 | ||||
| High | 8.47 | 10.94 | 32.26 | |
| Med | 11.98 | 12.11 | 32.99 | |
| Low | 13.35 | 13.79 | 31.93 | |
| 10000 | ||||
| High | 8.25 | 8.07 | 18.48 | |
| Med | 10.69 | 9.80 | 18.88 | |
| Low | 14.17 | 10.38 | 19.76 |
Legend: Low, Med (Medium), High denote level of confounding whereas Weak, Mod (Moderate), Strong stand for instrument strength. The number n with values 10000, 20000 and 30000 stands for the sample size