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Table 3 The association analysis among predominant PFGE patterns in each serovar, MDR, age and geography location

From: Serovar distribution, antimicrobial resistance profiles, and PFGE typing of Salmonella enterica strains isolated from 2007–2012 in Guangdong, China

  S. Typhimurium & S. 4,5,12:i:- S. Enteritidis S. Stanley S. Derby Others serovars
Number of PFGE pattern (n) 286(n = 702)a 78(n = 232) 72(n = 150) 24(n = 28) 53(n = 77)
Predominant PFGE pattern (n, %)b JPXX01.GD0004 JEGX01.GD0006 JNGX01.GD0006 None None
(n = 150, 21.37%) (n = 50, 21.55%) (n = 23, 15.33%)
JEGX01.GD0007 JNGX01.GD0007
(n = 50, 21.55%) (n = 29, 19.33%)
Age ≤ 6 years 141 51 44   
>6 years 9 49 8
Location Dongguan Dongguan Dongguan   
Foshan Foshan Foshan
Guangzhou Guangzhou Guangzhou
Jiangmen Heyuan Jieyang
Jieyang Huizhou Maoming
Maoming Jiangmen Zhanjiang
Shantou Jieyang Zhaoqing
Yangjiang Maoming Zhongshan
Zhaoqing Shaoguan Zhuhai
Zhongshan Yangjiang
Zhuhai Zhongshan
Zhuhai
MDR pattern (n, %)c ACSSuT (99, 66.00%) JEGX01.GD0006 JNGX01.GD0006   
None None
JEGX01.GD0007 JNGX01.GD0007
ASSuT-Nal (30, 30%) None
   ASSu-Nal (17, 17%)    
  1. an = number of isolates which PFGE data available.
  2. bn = number of isolates in the predominant PFGE pattern, % = percentage in isolates with PFGE data.
  3. cn = number of MDR isolates in the predominant PFGE pattern, % = percentage in predominant PFGE pattern isolates.