Wrapper for _CI_2x2 functions on Chapter 4.

the_2x2_table_CIs_difference(n, alpha = 0.05)

Arguments

n

frequency matrix

alpha

type I error

Value

NULL. This function should be called for its printed output

Examples

# An RCT of high vs standard dose of epinephrine (Perondi et al., 2004)
the_2x2_table_CIs_difference(perondi_2004)
#> Estimate of pi_1: 7 / 34 = 0.206
#> Estimate of pi_2: 1 / 34 = 0.029
#> Estimate of delta = pi_1 - pi_2: 0.176
#> 
#> Interval method                           95% CI         width
#> --------------------------------------------------------------
#> Wald                                 0.0292 to  0.3238   0.295
#> Wald with continuity correction     -0.0002 to  0.3532   0.353
#> Agresti-Caffo                        0.0116 to  0.3217   0.310
#> Newcombe hybrid score                0.0189 to  0.3404   0.321
#> Mee asymptotic score                 0.0284 to  0.3439   0.316
#> Miettinen-Nurminen asymptotic score  0.0270 to  0.3453   0.318
#> --------------------------------------------------------------

# The association between CHRNA4 genotype and XFS (Ritland et al., 2007)
the_2x2_table_CIs_difference(ritland_2007)
#> Estimate of pi_1: 0 / 16 = 0.000
#> Estimate of pi_2: 15 / 72 = 0.208
#> Estimate of delta = pi_1 - pi_2: -0.208
#> 
#> Interval method                           95% CI         width
#> --------------------------------------------------------------
#> Wald                                -0.3021 to -0.1145   0.188
#> Wald with continuity correction     -0.3403 to -0.0763   0.264
#> Agresti-Caffo                       -0.3021 to -0.0193   0.283
#> Newcombe hybrid score               -0.3157 to  0.0003   0.316
#> Mee asymptotic score                -0.3157 to -0.0074   0.308
#> Miettinen-Nurminen asymptotic score -0.3164 to -0.0056   0.311
#> --------------------------------------------------------------