Skip to main content

Advertisement

Table 3 Antimicrobial susceptibility of Thai Streptococcus suis, serotype 2 (59 strains), non-serotype 2 (73 strains), autoagglutinating (91 strains), and non-typable (39 strains)

From: Antimicrobial susceptibility of Streptococcus suis isolated from diseased pigs, asymptomatic pigs, and human patients in Thailand

Antibiotic drugs Serotype 2 59 strains Non-serotype 2 73 strains Autoagglutinating 91 strains Non-typable 39 strains P-value
S I R S I R S I R S I R
AMP 58 (98.3%) 1 (1.7%) 0 (0%) 50 (68.5%) 6 (8.2%) 17 (23.3%) 56 (61.5%) 13 (14.3%) 22 (24.2%) 28 (71.8%) 5 (12.8%) 6 (15.4%) <  0.001*
CFL 58 (98.3%) 0 (0%) 1 (1.7%) 41 (56.2%) 4 (5.5%) 28 (38.3%) 46 (50.5%) 0 (0%) 45 (49.5%) 20 (51.3%) 1 2.6%) 18 (46.1%) <  0.001*
CTX 58 (98.3%) 0 (0%) 1 (1.7%) 65 (89.0%) 2 (2.7%) 6 (8.3%) 88 (96.7%) 1 (1.1%) 2 (2.2%) 33 (84.6%) 1 2.6%) 5 (12.8%) 0.078
CTF 58 (98.3%) 0 (0%) 1 (1.7%) 69 (94.5%) 1 (1.4%) 3 (4.1%) 88 (96.7%) 1 (1.1%) 2 (2.2%) 33 (84.6%) 3 (7.7%) 3 (7.7%) 0.053
PEN 57 (96.6%) 1 (1.7%) 1 (1.7%) 22 (30.1%) 34 (46.6%) 17 (23.3%) 26 (28.5%) 35 (38.5%) 30 (33.0%) 14 (35.9%) 17 (43.6%) 8 (20.5%) <  0.001*
VAN 59 (100%) 0 (0%) 0 (0%) 69 (94.6%) 2 (2.7%) 2 (2.7%) 90 (98.9%) 1 (1.1%) 0 (0%) 35 (89.8%) 2 (5.1%) 2 (5.1%) 0.972
AZM 5 (8.5%) 0 (0%) 54 (91.5%) 8 (11.0%) 0 (0%) 65 (89.0%) 16 (17.6%) 3 (3.3%) 72 (79.1%) 11 (28.2%) 1 (2.6%) 27 (69.2%) 0.063
CHL 53 (89.8%) 6 (10.2%) 0 (0%) 61 (83.6%) 5 (6.8%) 7 (9.6%) 83 (91.2%) 1 (1.1%) 7 (7.7%) 32 (82.1%) 5 (12.8%) 2 (5.1%) 0.032*
CLI 5 (8.5%) 0 (0%) 54 (91.5%) 4 (5.5%) 0 (0%) 69 (94.5%) 3 (3.3%) 0 (0%) 88 (96.7%) 5 (12.8%) 0 (0%) 34 (87.2%) 0.187
DOX 0 (0%) 0 (0%) 59 (100%) 8 (11.0%) 1 (1.4%) 64 (87.6%) 11 (12.1%) 2 (2.2%) 78 (85.7%) 5 (12.8%) 2 (5.1%) 32 (82.1%) 0.078
ERY 4 (6.8%) 5 (8.5%) 50 (84.7%) 8 (11.0%) 1 (1.4%) 64 (87.6%) 19 (20.9%) 1 (1.1%) 71 (78.0%) 12 (30.8%) 0 (0%) 27 (69.2%) 0.002*
FFC 52 (88.1%) 1 (1.7%) 6 (10.2%) 70 (95.9%) 0 (0%) 3 (4.1%) 85 (93.4%) 0 (0%) 6 (6.6%) 36 (92.3%) 1 (2.6%) 2 (5.1%) 0.443
GEN 33 (55.9%) 8 (13.6%) 18 (30.5%) 26 (35.6%) 17 (23.3%) 30 (41.1%) 25 (27.5%) 28 (30.7%) 38 (41.8%) 16 (41.0%) 8 (20.5%) 15 (38.5%) 0.027*
TET 0 (0%) 0 (0%) 59 (100%) 2 (2.7%) 3 (4.1%) 68 (93.2%) 6 (6.6%) 1 (1.1%) 84 (92.3%) 5 (12.8%) 3 (7.7%) 31 (79.5%) 0.023*
TIA 1 (1.7%) 30 (50.8%) 28 (47.5%) 2 (2.7%) 8 (11.0%) 63 (86.3%) 1 (1.1%) 4 (4.4%) 86 (94.5%) 2 (5.1%) 3 (7.7%) 34 (87.2%) <  0.001*
CIP 47 (79.6%) 7 (11.9%) 5 (8.5%) 38 (52.1%) 12 (16.4%) 23 (31.5%) 50 (54.9%) 10 (11.0%) 31 (34.1%) 20 (51.3%) 7 (17.9%) 12 (30.8%) 0.008*
ENR 32 (54.2%) 27 (45.8%) 0 (0%) 38 (52.1%) 13 (17.8%) 22 (30.1%) 55 (60.4%) 9 (9.9%) 27 (29.7%) 18 (46.1%) 7 (17.9%) 14 (35.9%) <  0.001*
NOR 15 (25.4%) 27 (45.8%) 17 (28.8%) 17 (23.3%) 18 (24.6%) 38 (52.1%) 21 (23.1%) 20 (22.0%) 50 (54.9%) 12 (30.8%) 8 (20.5%) 19 (48.7%) 0.203
LEV 59 (100%) 0 (0%) 0 (0%) 48 (65.8%) 4 (5.5%) 21 (28.7%) 67 (73.6%) 1 (1.1%) 23 (25.3%) 28 (71.8%) 1 (2.6%) 10 (25.6%) <  0.001*
SXT 46 (78.0%) 2 (3.4%) 11 (18.6%) 22 (30.1%) 3 (4.1%) 48 (65.8%) 16 (17.6%) 2 (2.2%) 73 (86.2%) 11 (28.2%) 3 (7.7%) 25 (64.1%) <  0.001*
  1. AMP ampicillin, AZM azithromycin, CTX cefotaxime, CTF ceftiofur, CFL cephalexin, CHL chloramphenicol, CIP ciprofloxacin, CLI clindamycin, DOX doxycycline, ENR enrofloxacin, ERY erythromycin, FFC florfenicol, GEN gentamicin, LEV levofloxacin, NOR norfloxacin, PEN penicillin G, SXT sulfamethoxazole/trimethoprim, TET tetracyclin, TIA tiamulin, VAN: vancomycin. S: susceptible; I: intermediate; R: resistant. The asterisk indicates statistical significance with P-value < 0.05