Table 1.

Publications Reporting the Percentages of Resistance (R) and Intermediate Susceptibility (I) to β-Lactam Antibiotics in Isolates of Streptococcus pyogenes in China

Year	Strain Number	Antibiotics	R (%)	I (%)	References
2002	33	Ampicillin	10.0		7
2006	334	Penicillin	NA	NA	8
2006	17	Cefotaxime	11.1	NA	9
2006	17	Ceftriaxone	17.6	NA	9
2007	308	Ceftriaxone	2.7	NA	10
2007	308	Penicillin	0.3	NA	10
2008	328	Cefotaxime	3.4	NA	11
2008	328	Ceftriaxone	2.6	NA	11
2008	328	Penicillin	0.3	NA	11
2008	491	Cefotaxime	4.1	NA	12
2008	491	Ceftriaxone	2.9	NA	12
2008	491	Penicillin	0.2	NA	12
2008	487	Ceftriaxone	2.9	NA	13
2008	487	Penicillin	0.7	NA	13
2008	61	Cefotaxime	19.7	NA	14
2008	51	Ceftriaxone	13.7	NA	14
2008	33	Cefuroxime	12.1	NA	14
2008	202	Ampicillin	6.9	0	15
2008	88	Cefazolin	2.3	NA	15
2008	210	Cefuroxime	1.4	NA	15
2008	29	Cefotaxime	3.4	0	16
2008	29	Ceftriaxone	6.9	0	16
2008	52	Penicillin	7.7	0	16
2008	18	Cefazolin	5.6	0	17
2008	30	Cefotaxime	13.3	0	17
2008	53	Ceftriaxone	11.3	0	17
2008	19	Cefuroxime	5.3	NA	17
2009	491	Cefotaxime	4.1	NA	18
2009	491	Ceftriaxone	2.9	NA	18
2009	491	Penicillin	0.2	NA	18
2009	423	Cefotaxime	0.8	NA	19
2009	423	Ceftriaxone	1.5	NA	19
2009	423	Penicillin	0.2	NA	19
2009	426	Ceftriaxone	2.0	NA	20
2010	122	Ampicillin	NA	NA	21
2010	122	Cefotaxime	NA	NA	21
2010	122	Ceftriaxone	NA	NA	21
2010	122	Penicillin	NA	NA	21
2010	250	Ceftriaxone	4.5	NA	22
2010	265	Cefotaxime	2.9	NA	23
2010	265	Ceftriaxone	3.7	NA	23
2010	265	Penicillin	0.4	NA	23
2010	12	Cefazolin	8.3	0	24
2010	68	Cefotaxime	14.7	5.9	24
2010	74	Ceftriaxone	9.5	5.4	24
2010	10	Cefuroxime	0	10.0	24
2011	253	Cefotaxime	6.1	NA	25
2011	253	Ceftriaxone	8.9	NA	25
2011	253	Cefuroxime	0.5	NA	25
2011	253	Penicillin	1.2	NA	25
2011	239	Ceftriaxone	11.2	NA	26
2011	239	Penicillin	0.9	NA	26
2011	220	Ampicillin	65.0	NA	27
2011	383	Cefazolin	30.8	NA	27
2011	708	Cefepime	17.8	NA	27
2011	545	Cefotaxime	21.3	NA	27
2011	660	Ceftriaxone	31.8	NA	27
2011	407	Penicillin	18.7	NA	27
2012	584	Cefuroxime	0.2	NA	28
2012	34	Cefepime	3.3	NA	29
2012	34	Cefotaxime	3.7	NA	29
2012	209	Cefprozil	0.5	NA	30
2012	209	Ceftriaxone	3.5	NA	30
2012	209	Penicillin	1.5	NA	30
2012	29	Cefotaxime	10.3	NA	31
2012	41	Ceftriaxone	22.0	NA	31
2012	12	Cefuroxime	8.3	NA	31
2012	400	Penicillin	9.2	NA	32
2012	138	Cefotaxime	43.5	NA	33
2012	150	Ceftriaxone	42	NA	33
2012	39	Penicillin	35.9	NA	33
2012	32	Ampicillin	3.1	NA	34
2012	37	Cefotaxime	10.8	NA	34
2012	37	Ceftriaxone	5.4	NA	34
2012	50	Cefotaxime	54.0	4.0	35
2012	49	Ceftriaxone	42.9	12.2	35
2012	87	Penicillin	16.1	1.1	35
2013	248	Cefotaxime	1.2	NA	36
2013	248	Ceftriaxone	2.5	NA	36
2013	248	Cefuroxime	0.8	NA	36
2013	248	Penicillin	1.3	NA	36
2013	238	Cefotaxime	25.7	0	37
2013	238	Ceftriaxone	12.5	0	37
2014	558	Cefepime	3.5	NA	38
2014	558	Cefotaxime	0.6	NA	38
2014	558	Ceftriaxone	1.6	NA	38
2014	558	Cefuroxime	0.2	NA	38
2014	558	Penicillin	0.8	NA	38
2014	193	Cefotaxime	5.0	NA	39
2014	193	Ceftriaxone	2.4	NA	39
2014	193	Penicillin	2.9	NA	39
2014	13	Cefotaxime	15.4	0	40
2014	20	Penicillin	10.0	0	40
2015	456	Ceftriaxone	1.3	NA	41
2016	2551	Cefotaxime	0.1	NA	42
2016	2551	Ceftriaxone	0.1	NA	42
2016	2551	Penicillin	0.2	NA	42
2016	68	Penicillin	1.5	NA	43
2018	3589	Cefotaxime	0.2	NA	44
2018	3589	Ceftriaxone	2.5	NA	44
2018	3589	Penicillin	0.2	NA	44

Abbreviation: NA, no data.