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Table 2 Antimicrobial resistance of S. pneumoniae isolates

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

The serotypes of isolates % of resistant isolates
Penicillins Erythromycin Tetracycline Trimethoprim/sulfamethoxazole Cephalosporin Chloramphenicol Meropenem MDRb,c
All serotypes (n = 94) 47.3 80.2 91.2 63.8 19.8 9.9 15.4 73.4
Serotype         
19F (n = 40) 27.9 40.4 41.5 35.1 14.1 3.4 9.7 39.4
19A (n= 8) 4.3 8.5 8.5 7.4 0 0 0 7.4
6B (n = 7) 3.2 6.4 6.4 2.1 0 0 0 4.3
3 (n = 8) 2.1 2.1 7.4 2.1 1.1 0 0 2.1
Otherserotypesa         
(n = 18) 4.9 13.2 14.6 10.7 3.5 5.3 3.4 12.8
Untyped (n = 14) 4.9 9.6 12.8 6.4 1.1 1.2 2.3 7.4
  1. aIncluded are 11 serotypes
  2. bMultidrug-resistant isolates, i.e. resistant to three or four tested antimicrobials
  3. cThe PCVs covered the majority of serotypes that had MDR (n = 69) phenotypes [PCV7, 71.0 % (49/69); PCV10, 72.5 % (50/69); and PCV13, 89.9 % (62/69)]