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. 2017 Aug 22;12(8):e0183383. doi: 10.1371/journal.pone.0183383

Table 2. Frequency of multidrug resistance among faecal Escherichia coli isolates.

Number of Antimicrobial categories (n = 6) Number of resistant isolates (n = 1098) Integron positive isolates (n = 410) Integron negative isolates (n = 688) P-valuea
0 0(0) 0(0) 0(0) ND
1 3(0.3) 0(0) 3(0.4) 0.297
2 27(2.5) 6(1.5) 21(3.1) 0.149
≥3 1068(97.3) 404(98.5) 664(96.5) 0.0476b

ap values were calculated using the Pearson’s chi-square test.

b p value of less than 0.05 was significant