Table 1 Antimicrobial susceptibility of 147 S. Typhimurium isolates collected from patients in Henan, China, between 2006 and 2015
Antimicrobial | No. isolates (%) | *NARMS Report n(%) | P-value | ||
|---|---|---|---|---|---|
Resistant | Intermediate | Susceptible | |||
β-Lactams | |||||
 Ceftriaxone | 24 (16.3) | 0 (0.0) | 123 (83.7) | 14 (5.3) | P < 0.05 |
 Cefoxitin | 9 (6.1) | 0 (0.0) | 138 (93.8) | 14 (5.3) | P < 0.05 |
 Ampicillin | 132 (89.8) | 0 (0.0) | 15 (10.2) | 52 (19.8) | P < 0.05 |
 Amoxicillin/clavulanic acid, 2:1 ratio | 97 (66.0) | 0 (0.0) | 50 (34.0) | 14 (5.3) | P < 0.05 |
Quinolones | |||||
 Ciprofloxacin | 43 (29.2) | 0 (0.0) | 104 (70.7) | 1 (0.4) | P < 0.05 |
 Nalidixic acid | 115 (78.2) | 0 (0.0) | 32 (21.8) | 7 (2.7) | P < 0.05 |
Macrolides | |||||
 Azithromycin | 15 (10.2) | 0 (0.0) | 132 (89.8) | 1 (0.4) | P < 0.05 |
Tetracyclines | |||||
 Tetracycline | 132 (89.8) | 0 (0.0) | 15 (10.2) | 59 (22.5) | P < 0.05 |
Amphenicols | |||||
 Chloramphenicol | 113 (76.9) | 2 (1.4) | 32 (21.7) | 42 (16.0) | P < 0.05 |
Sulfonamides and synergistic agents | |||||
 Trimethoprim/sulfamethoxazole | 114 (77.6) | 0 (0.0) | 33 (22.4) | 6 (2.3) | P < 0.05 |
 Sulfisoxazole | 132 (89.8) | 0 (0.0) | 15 (10.2) | 66 (25.2) | P < 0.05 |
Aminoglycosides | |||||
 Gentamicin | 102 (69.3) | 1 (0.7) | 44 (30.0) | 8(3.1) | P < 0.05 |
 Streptomycin | 101 (68.7) | 25 (17.0) | 21 (14.3) | 65 (24.8) | P < 0.05 |