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Table 4 Antibiotic susceptibility patterns of species of Aeromonas

From: Taxonomy, virulence genes and antimicrobial resistance of Aeromonas isolated from extra-intestinal and intestinal infections

  Total Intestinal infection Extra-intestinal infection
Antibiotic Ra [n (%)] I [n (%)] S [n (%)] R [n (%)] I [n (%)] S [n (%)] R [n (%)] I [n (%)] S [n (%)]
Ampicillinc 108(93.9) 3(2.6) 4(3.5) 92(93.9) 2(2.0) 4(4.1) 16(94.1) 1(5.9) 0(0.0)
Amoxicillin-clavulanatec 15(13.0) 76(66.1) 24(20.9) 8(8.2) 68(69.4) 22(22.4) 7(41.2) 8(47.1) 2(11.8)
Imipenemb 3(2.6) 10(8.7) 102(88.7) 2(2.0) 7(7.1) 88(89.8) 1(5.9) 3(17.6) 14(82.4)
Ceftriaxoneb 17(14.8) 3(2.6) 95(82.6) 5(5.1) 3(3.1) 90(91.8) 12(70.6) 0(0.0) 5(29.4)
Cefepimeb 5(4.3) 3(2.6) 107(93.0) 1(1.0) 0(0.0) 97(99.0) 4(23.5) 3(17.6) 10(58.8)
Cefoxitinb 28(24.3) 6(5.2) 81(70.4) 17(17.3) 5(5.1) 76(77.6) 11(64.7) 1(5.9) 5(29.4)
Gentamicinb 6(5.2) 4(3.5) 105(91.3) 2(2.0) 2(2.0) 94(95.9) 4(23.5) 2(11.8) 11(64.7)
Nalidixic acidc 63(54.8) 52(45.2) 49(50.0) 0(0.0) 49(50.0) 14(82.4) 0(0.0) 3(17.6)
Ciprofloxacinb 7(6.1) 0(0.0) 108(93.9) 1(1.0) 0(0.0) 97(99.0) 6(35.3) 0(0.0) 11(64.7)
Chloramphenicolb 10(8.7) 2(1.7) 103(89.6) 8(8.2) 2(2.0) 88(89.8) 2(11.8) 0(0.0) 15(88.2)
Tetracyclineb 21(18.3) 5(4.3) 89(77.4) 15(15.3) 3(3.1) 80(81.6) 6(35.3) 2(11.8) 9(52.9)
Doxycyclinec 4(3.5) 4(3.5) 107(93.0) 2(2.0) 2(2.0) 94(95.9) 2(11.8) 2(11.8) 13(76.5)
Azithromycinc 5(4.3) 110(95.7) 0(0.0) 98(100.0) 5(29.4) 12(70.6)
Trimethoprim- Sulfamethoxazoleb 6(5.2) 109(94.8) 1(1.0) 0(0.0) 97(99.0) 5(29.4) 0(0.0) 12(70.6)
Sulfonamidesc 19 (16.5) 96(83.5) 12(12.2) 0(0.0) 86(87.8) 7(41.2) 0(0.0) 10(58.8)
  1. aR: Resistant; I: Intermediate; S: Sensitive
  2. bBreakpoints are based on the CLSI M45-A3 standards for Aeromonas spp.
  3. cOther breakpoints refer to the CLSI M100-S26E criteria for Enterobacteriaceae