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Table 5 Percent antibiotic susceptibility of gram-positive bacteria (S. aureus, S. pneumoniae, Enterococcus spp.) during 2015/2016 compared to corresponding susceptibility results in 2011/2013a

From: A compilation of antimicrobial susceptibility data from a network of 13 Lebanese hospitals reflecting the national situation during 2015–2016

Antibiotic S. aureus S. pneumoniae Enterococcus spp.
2011/2013 N (%S) 2015/2016 N (%S) OR (95% CI) P 2011/2013 N (%S) 2015/2016 N (%S) OR (95% CI) P 2011/2013 N (%S) 2015/2016 N (%S) OR (95% CI) P
Ampicillin NA NA NA NA NA NA NA NA 3847 (84%) 3760 (75%) 0.57 (0.51–0.64) 0.0001
Clindamycin 4359 (83%) 6452 (81%) 0.87 (0.79–0.96) 0.01 588 (76%) 584 (75%) 0.95 (0.73–1.24) 1 NA NA NA NA
Erythromycin 4890 (76%) 6304 (73%) 0.85 (0.78–0.93) 0.0004 544 (63%) 584 (65%) 1.09 (0.86–1.39) 1 NA NA NA NA
Levofloxacin 2297 (84%) 2873 (72%) 0.49 (0.43–0.56) 0.0001 483 (91%) 584 (99%) 1.07 (0.72–1.40) 1 NA NA NA NA
Oxacillin 4752 (73%) 6452 (72%) 0.95 (0.87–1.03) 0.25 NA NA NA NA NA NA NA NA
Tigecycline 492 (99%) 1788 (99%) 1.03 (0.33–2.63) 0.985 NA NA NA NA 723 (99%) 1022 (99%) 0.10 (0.35–1.64) 0.983
Trimethoprim/sulfamethoxazole 4604 (91%) 6437 (88%) 0.73 (0.64–0.82) 0.0001 296 (53%) 398 (55%) 1.08 (0.80–1.47) 1 NA NA NA NA
Vancomycin 4890 (100%) 6452 (100%) 1.32 (0.03–1.47) 0.819 NA NA NA NA 4145 (99%) 3760 (98%) 0.49 (0.33–0.72) 0.0003
  1. KEY = CI confidence interval, N Number of isolates tested in each bacteria/antibiotic combination, NA not available, OR Odds Ratio, S Susceptibility, % percent
  2. P < 0.05 is considered statistically significant
  3. aThe 2011/2013 data are taken from: Chamoun K, Farah M, Araj G, et al. Surveillance of antimicrobial resistance in Lebanese hospitals: retrospective nationwide compiled data. Int J Infect Dis. 2016;46:64–70