160 Chapter 6 Table 3 Number of antimicrobials prescriptions per 1000 patients per size group primary care practice Appropriate antimicrobial prescriptions Inappropriate antimicrobial prescriptions Size primary care practice Mean (95% CI) SD Range Mean (95% CI) Range SD Small 162 (150173) 27.9 111-205 38 (33-43) 19-64 12.1 Medium 169 (159180) 41.6 17-270 36 (33-40) 3-87 15.1 Large 154 (128180) 38.9 86-208 35 (26-44) 15-54 13.2 CI; Confidence interval. SD; Standard deviation.
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