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. 2010 Jun;51(3):237–242. doi: 10.3325/cmj.2010.51.237

Table 3.

Descriptive statistics for the ratio of the number of drugs prescriptions after and before the educational training

Drugs No. Mean Bias for mean Standard deviation Standard error BCa 95% CI*
Antidepressants:
    educational group 82 2.33 0.01 3.04 0.34 1.81-3.03
    control group 1 108 1.28 0.00 1.43 0.14 1.05-1.55
    control group 2 164 1.34 0.00 1.51 0.12 1.15-1.60
Anxiolytics:
    educational group 82 1.51 -0.01 2.44 0.27 1.08-2.02
    control group 1 108 0.86 0.00 0.71 0.07 0.75-1.00
    control group 2 163 1.25 -0.01 3.62 0.28 0.91-1.83

*BCa 95% CI – 95% confidence interval derived with bias-corrected and accelerated bootstrap approach (23).