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Table 1 Trend of drug-resistance rate at the first affiliated hospital of Nanchang University, 2008-2014

From: Drug-resistance dynamics of Staphylococcus aureus between 2008 and 2014 at a tertiary teaching hospital, Jiangxi Province, China

Year (N) Penicillin G Oxacillin Gentamicin Ciprofloxacin Clindamycin Erythromycin Linezolid Vancomycin Tetracycline Cotrimoxazole
2008 (210) 97.6 69.5 60.5 64.3 75.2 81.9 0 0 69.5 17.1
2009 (259) 96.5 58.3 47.5 59.1 67.6 74.9 0 0 63.3 16.6
2010 (257) 93.4 50.2 50.6 59.1 63.8 68.1 0 0 59.9 19.1
2011 (273) 91.9 67.4 42.1 50.2 59.7 68.9 0 0 54.9 24.9
2012 (399) 91.2 49.6 39.1 52.4 52.1 66.9 0 0 38.3 25.1
2013 (491) 91.2 48.3 40.1 52.1 53 4 60 1 0 0 49.3 13.4
2014 (636) 73.7 42.1 30.8 31.8 32.5 54.7 0 0 34.0 23.6
Time series analysis model
 Slope (β) −2.323 −9.507 −7.285 −7.909 −7.365 −7.127 −7.815 3.160
P-value 0.127 0.002 0.007 0.005 0.007 0.008 0.005 0.075
 Trend Decreasing Decreasing Decreasing Decreasing Decreasing Decreasing -… Decreasing Increasing