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Table 1 Overview of prescribing from baseline PPS (May 2009) and follow up PPS (September 2011)

From: From intermittent antibiotic point prevalence surveys to quality improvement: experience in Scottish hospitals

Measure Baseline PPS (May 2009) Follow up PPS
(Sept 2011)
Scotland acute hospitals Europe Odds ratio (p value) Scotland acute hospitals
Number of patients surveyed 7,573 73,060   11,604
Number of patients (%) prescribed antimicrobials 2,289 (30.2%) 21,197 (29.0%) 1.06 (0.03) 3,728 (32.3%)
Number of patients (%) prescribed single antimicrobial 1,432 (62.6%) 14,403 (67.9%) 0.79 (<0.001) 2,268 (60.8%)
Number of prescriptions (%) for parenteral antimicrobials 1,731 (51.8%) 17,947 (60.5%) 0.7 (<0.001) 2,147 (47.8%)
Number of prescriptions (%) with indication recorded in notes 2,538 (75.9%) 22,456 (75.7%) 1.01 (0.78) 3,811 (86.8%)
Number of prescriptions (%) compliant with local policy 1939 (81.0%) 17,223 (82.5%) 0.90 (0.06) 2,245 (82.8%)
Number of surgical prophylaxis prescriptions (%) with duration single dose 146 (49.3%) 927 (27.0%) 2.92 (<0.001) 287 (59.5%)
Number of surgical prophylaxis prescriptions (%) with Duration = 1 day 57 (19.3%) 723 (21.1%) 0.85 (0.27) 81 (16.8%)
Number of surgical prophylaxis prescriptions (%) with duration >1 day 93 (31.4%) 1783 (51.9%) 0.41 (<0.001) 114 (23.7%)