Antimicrobial resistance and genetic characterization of Shigella spp. in Shanxi Province, China, during 2006–2016

Table 1 Comparison of antimicrobial resistance to 21 antibiotics among Shigella strains from Shanxi Province, China

Antibiotic	S. flexneri			S. sonnei			Total			χ ²	P value
Antibiotic	No. Tested	No. Resistant	(%)	No. Tested	No. Resistant	(%)	No. Tested	No. Resistant	(%)	χ ²	P value
AMP	337	332	98.5	137	131	95.6	474	463	97.7	3.6	0.06
PIP	337	44	13.1	137	32	23.4	474	76	16.0	7.7	0.01
TIC	337	320	95.0	137	130	94.9	474	450	94.9	0.0	0.98
CFZ	337	67	19.9	137	57	41.6	474	124	26.2	23.8	0.00
FOX	337	1	0.3	137	0	0.0	474	1	0.2
CRO	337	68	20.2	137	55	40.2	474	123	26.0	20.2	0.00
CAZ	337	1	0.3	137	2	1.5	474	3	0.6	2.1	0.20
CFP	337	47	14.0	137	38	27.7	474	85	17.9	12.6	0.00
FEP	337	0	0.0	137	0	0.0	474	0	0.0
NOR	337	84	24.9	137	2	1.5	474	86	18.1	31.6	0.00
LEV	337	11	3.3	137	0	0.0	474	11	2.3	4.6	0.04
IMP	337	3	0.9	137	1	0.7	474	4	0.8	0.0	1.00
GEN	337	82	24.3	137	110	80.3	474	192	40.5	166.9	0.00
TO	337	29	8.6	137	13	9.5	474	42	8.9	0.1	1.00
AK	337	1	0.3	137	0	0.0	474	1	0.2
SXT	337	287	85.2	137	132	96.4	474	419	88.4	105.3	0.00
TE	337	248	73.6	137	123	89.8	474	371	78.3	15.0	0.00
C	337	265	78.6	137	7	5.1	474	272	57.4	215.3	0.00
ATM	337	17	5.0	137	10	7.3	474	27	5.7	7.1	0.01
NIT	337	0	0.0	137	0	0.0	474	0	0.0
TIM	337	5	1.5	137	3	2.2	474	8	1.7	0.2	0.70

A p value that < 0.05 was considered statistically significant that compared the resistance rates between S. flexneri and S. sonnei

ISSN: 1471-2180