a significant trendP <0.01
Meta-regression by year of publication supported a significant trend towards increased resistance over time for Klebsiella ( P <0.01), NTS ( P =0.02) and E. coli ( P =0.02).
Meta-regression by year of publication supported a significant trend towards increased resistance over time for Klebsiella ( P <0.01), NTS ( P =0.02) and E. coli ( P =0.02).