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Table 1 Susceptibility of 15 antimicrobials for S. pneumoniae isolates from different groups

From: Serotype distribution and antibiotic resistance of Streptococcus pneumoniae isolates collected at a Chinese hospital from 2011 to 2013

Antibiotics Resistance of age groups (%) Resistance of serotypes (%) Resistance of specimens (%)
≤5 years (n = 42) ≥51 years (n = 44) p-value 19F (n = 40) Others (n = 54) p-value Invasive (n = 23) Non-invasive (n = 71) p-value
Amoxicillin 50.0 31.2 0.04 57.5 15.7 0.04 13.0 32.4 0.04
Penicillin G 68.0 50.0 0.28 70.0 29.4 0.04 56.5 28.2 0.03
Cefotaxime 28.0 18.8 0.12 32.5 7.8 0.05 26.1 12.7 0.04
Ceftriaxone 32.0 18.8 0.11 35.0 7.8 0.02 26.1 14.1 0.04
Chloramphenicol 4.0 15.6 0.04 5.0 13.7 0.16 13.0 1.4 0.01
Erythromycin 96.0 75.0 0.04 95.0 68.6 0.03 87.0 78.9 0.35
Tetracycline 92.0 87.5 0.41 97.5 86.3 0.39 100 90.1 0.23
Trimethoprim/sulfamethoxazole 47.6 45.5 0.22 82.5 50.0 0.02 65.2 63.4 0.29
Meropenem 24.0 21.9 0.27 17.5 13.7 0.51 8.7 14.1 0.03
Ertapenem 0 0 - 0 0 - 0 0 -
Levofloxacin 0 0 - 0 0 - 0 0 -
Moxifloxacin 0 0 - 0 0 - 0 0 -
Ofloxacin 0 0 - 0 0 - 0 0 -
Linezolid 0 0 - 0 0 - 0 0 -
Vancomycin 0 0 - 0 0 - 0 0 -