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Table 2 Frequency of AMR and MDR by age among commensal E. coli strains isolated from children in Khuzestan and Fars provinces

From: Antimicrobial resistance and metallo-beta-lactamase producing among commensal Escherichia coli isolates from healthy children of Khuzestan and Fars provinces; Iran

Age (Year) Total number CHLa
N (%)
NAa
N (%)
AMPa
N (%)
TETa
N (%)
KAN N (%) CTXa
N (%)
CAZa
N (%)
STRa
N (%)
SXT a
N (%)
CIP
N (%)
GEN N (%) IMP N (%) MEN N (%) MDRa
N (%)
0–1 130 7 (5.4) 33 (25.4) 47 (36.1) 28 (21.5) 7 (5.4) 31 (23.8) 27 (20.8) 27 (20.8) 32 (24.6) 20 (15.4) 6 (4.6) 1 (0.8) 1 (0.8) 34 (26.1)
1–2 144 12 (8.3) 38 (26.4) 60 (41.7) 44 (30.5) 8 (5.5) 51 (35.4) 41 (28.5) 37 (25.7) 45 (31.2) 14 (9.7) 3 (2) 1 (0.7) 1 (0.7) 47 (32.6)
2–3 138 19 (13.8) 53 (38.4) 73 (52.9) 51 (37) 10 (7.2) 69 (50) 47 (34.05) 44 (31.9) 55 (40) 28 (20.3) 8 (5.8) 4 (2.9) 4 (2.9) 65 (47.1)
CI 0.382–0.919 0.570–0.968 0.582–0.948 0.537–0.916 0.431–0.725 0.546–0.940 0.567–0.986 0.550–0.927 1.230–2.056
OR 0.593 0.743 0.743 0.701 0.559 0.716 0.748 0.714 1.591
P-value 0.019 0.028 0.017 0.009 0.521 0.001> 0.016 0.039 0.011 0.247 0.609 0.162 0.162 0.001>
  1. a(Star): Statistically significant. P < 0.05; OR Odds Ratio, CI Confidence Interval, CHL Chloramphenicol, NA Nalidixic-acid, AMP Ampicillin, TET Tetracycline, KAN Kanamycin, CTX cefotaxime, CAZ ceftazidime, STR Streptomycin, STX sulfamethoxazole-trimethoprim, CIP ciprofloxacin, GEN Gentamycin, IMP Imipenem, MEN Meropenem, MDR Multi-drug resistance