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Table 2 Contingency table results for antimicrobial susceptibility and putative virulence markers among 166 C. jejuni isolates

From: Campylobacter jejuni isolates in Finnish patients differ according to the origin of infection

MIC values Putative virulence factor
  GGT-production virB11> ciaB cgtB wlaN cj0486 ceuE pldA cdtABC
Ciprofloxacin MIC ≤ 1 (82/166) * 20/82 (p = 0.001) § 1/82 81/82 16/82 17/82 31/82 62/82 52/82 69/82
Ciprofloxacin MIC ≥ 4 (84/166) † 5/84 3/84 83/84 15/84 22/84 50/84 (p = 0.0051) ¶ 80/84 (p = 0.0003) ¶ 49/84 62/84
Doxycycline MIC ≤ 2 (102/166) * 22/102 (p = 0.0032) § 1/102 101/102 22/102 20/102 40/102 82/102 59/102 82/102
Doxycycline MIC ≥ 4 (64/166) ‡ 3/64 3/64 63/64 9/64 19/64 41/64 (p = 0.0018) # 60/64 (p < 0.0001) # 42/64 49/64
No. positive isolates (%) 25/166 (15%) 4/166 (2.4%) 164/166 (99%) 31/166 (19%) 39/166 (23%) 81/166 (49%) 142/166 (86%) 101/166 (61%) 131/166 (79%)
  1. *interpreted as susceptible, †interpreted as resistant, ‡interpreted as resistant or intermediate (5 isolates with MIC 4 mg/L), §associated with susceptible isolates, ¶associated with resistant isolates, #associated with resistant or intermediate isolates