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. 2020 Dec 1;36(2):10.7196/SAJCC.2020.v36i2.434. doi: 10.7196/SAJCC.2020.v36i2.434

Table 2A. Pooled Gram-negative antibiogram (n/N, n(%)).

Susceptible isolates/total isolates (%)
Antibiotic (year) E. cloacae E. coli K. pneumoniae Other
Enterobacterales
A. baumannii P. aeruginosa
Ampicillin
  2015 1/39 (2.6) 4/30 (13.3) - 13/44 (29.6) - -
  2017 1/33 (3.0) 4/39 (10.3) - 14/57 (24.6) - -
Amoxicillin-clavulanate
  2015 1/38 (2.6) 19/30 (63.3) 34/85 (40.0) 27/50 (54) - -
  2017 0/43 (0.0) 19/39 (48.7) 30/77 (39.0) 23/60 (38.3) - -
Piperacillin-tazobactam
  2015 27/39 (69.2) 20/30 (66.7) 60/84 (71.4) 44/50 (88.0) 6/79 (7.6) 38/46
  2017 22/26 (84.6) 25/33 (75.8) 36/57 (63.1) 41/48 (85.4) 16/49 (32.7) (82.6) 24/27
Cefoxitin
  2015 0/39 (0.0) 24/30 (80.0) 85/85 (100.0) 31/55 (56.4) - -
  2017 0/29 (0) 27/33 (81.8) 47/54 (87.0) 20/50 (80.0) - -
Ceftriaxone
  2015 26/37 (70.3) 18/30 (60.0) 37/84 (44.0) 51/55 (92.7) - -
  2017 23/29 (79.3) 22/33 (66.7) 34/56 (60.7) 33/52 (63.5)* - -
Ceftazidime
  2015 30/39 (76.9) 19/30 (63.3) 41/85 (48.2) 50/55 (90.0) 7/80 (8.8) 41/52 (78.9)
  2017 25/30 (83.3) 24/34 (70.6) 35/57 (61.4)§ 39/51 (76.5) 21/51 (41.2) 24/27 (88.9)
Cefepime
  2015 30/39 (76.9) 20/30 (66.7) 42/85 (49.4) 52/55 (94.6) 6/80 (7.5) 38/52 (73.1)
  2017 25/30 (83.3) 25/32 (78.1) 34/56 (60.7) 37/48 (77.1)* 19/51 (37.3) 24/27 (88.9)
Ertapenem
  2015 39/39 (100) 30/30 (100) 85/85 (100) 55/55 (100) - -
  2017 27/27 (100) 33/33 (100) 47/52 (90.4) 48/48 (100) - -
Imipenem
  2015 39/39 (100) 30/30 (100) 85/85(100) 37/37 (100) 6/80 (7.5) 37/52 (71.2)
  2017 29/29 (100) 33/33 (100) 56/56 (100) 46/46 (100) 17/49 (34.7)§ 24/27 (88.9)
Meropenem
  2015 39/39 (100) 30/30 (100) 85/85 (100) 55/55 (100) 6/80 (7.5) 39/52 (75.0)
  2017 31/31 (100) 34/34 (100) 59/59 (100) 49/49 (100) 20/51 (39.2) 25/28 (89.3)
Ciprofloxacin
  2015 38/39 (97.4) 22/29 (75.9) 76/85 (89.4) 54/55 (98.2) 33/79 (41.8) 46/52 (88.5)
  2017 22/27 (81.5) 19/22 (86.4) 35/45 (77.8) 26/30 (86.7) 39/53 (73.6)§ 27/29 (93.1)
Gentamicin
  2015 28/38 (73.7) 28/30 (93.3) 41/85 (48.2) 52/55 (94.6) 25/79 (31.6) 45/52 (86.5)
  2017 30/36 (83.3) 27/36 (75.0) 33/65 (50.8) 47/51 (92.2) 33/55 (60.0)* 24/29 (82.8)
Amikacin
  2015 34/39 (87.2) 30/30 (100) 79/84 (94.1) 52/52 (100) 13/24 (54.2) 46/51 (90.2)
  2017 41/43 (95.4) 38/38 (100) 67/77 (87.0) 60/60 (100.0) 34/50 (68) 39/41 (95.1)

Resistance profile % Isolates

Amp C
  2015 100 20 0 43.6 - -
  2017 100 18.2 13.0§ 20.0§ - -
ESBL
  2015 23.1 40 56 10.3 - -
  2017 16.7 33.3 35.4* 36.5 - -
CRE
  2015 0 0 0 0 - -
  2017 0 0 6.49* 0 - -
MDR
  2015 - - - - 92.5 67.31
  2017 - - - - 63.64 6.89

E. cloacae = Enterobacter cloacae

E. coli = Escherichia coli

K. pneumoniae = Klebsiella pneumoniae

AmpC = AmpC beta-lactamases

ESBL = extended spectrum β-lactamase

CRE = carbapenem-resistant Enterobacterales

MDR = multidrug-resistant

- = not applicable

* p≤0.05

† p≤0.001

‡ p≤0.0001

‡ p≤0.0005