Skip to main content

Advertisement

Table 4 Monte-carlo mean of F-statistics in each scenario using the treatment prescribed to the last patient as proxy of instrument

From: Instrumental variable analysis in the context of dichotomous outcome and exposure with a numerical experiment in pharmacoepidemiology

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
  1. 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