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Table 6 Sequence types, serotypes, antibiotic resistance rates (%), and age distributions for 424 Streptococcus pneumoniae isolates analyzed by MLST

From: Serotype distribution and antibiotic resistance of Streptococcus pneumoniae isolates from 17 Chinese cities from 2011 to 2016

Clonal Complex

ST

Number

Serotypes (Number)

Resistance rates of different antibiotics

Number of strains in different ages

Penicillin

Levofloxacin

Erythromycin

<= 2

(2,5]

(5,18]

(18,65]

> 65

CC271

271

120

19F(98), 19A(15), NVT(5), 15(1), 1(1)

97.5

0

100

35

7

9

41

28

320

73

19A(55), 19F(15), 18(1), 15(1), NVT(1)

98.6

2.7

100

12

10

0

29

22

236

6

19F(5), NVT(1)

83.3

16.7

100

1

0

0

3

2

1937

2

19F(2)

100

0

100

0

0

0

1

1

CC81

81

28

23F(8), 15(6), NVT(6), N23F(3), 6B(2), 3(1), 17(1), 18(1)

92.9

3.6

100

5

3

0

15

5

83

1

19F(1)

100

0

100

1

0

0

0

0

CC876

876

17

14(11), NVT(3), 18(2), 4(1)

47.1

5.9

100

2

3

0

10

2

5749

1

14(1)

0

0

100

0

0

0

0

1

CC505

505

14

NVT(9), 3(3), 17(1), 19F(1)

0

0

92.9

0

0

2

6

6

12,449

2

NVT(2)

0

0

100

0

0

0

2

0

CC180

180

13

NVT(12), 8(1)

7.7

0

92.3

1

0

0

8

4

297

1

NVT(1)

0

0

100

0

0

0

0

1

CC3397

3397

9

15(7), 8(2)

0

0

88.9

3

1

0

3

2

7768

3

15(3)

33.3

0

100

2

1

0

0

0

10,098

1

15(1)

0

0

100

1

0

0

0

0

CC1263

6011

4

15(2), 4(1), NVT(1)

0

0

100

0

0

0

2

2

4660

2

9(1), NVT(1)

0

0

100

0

0

0

2

0

1263

2

9(1), NVT(1)

0

0

100

0

0

0

1

1

280

1

1(1)

   

0

0

0

1

0

CC5972

6946

4

17(3), 8(1)

0

25

100

0

0

0

2

2

5972

3

NVT(2), 5(1)

0

0

100

0

0

0

2

1

7759

2

3(1), NVT(1)

50

0

100

0

0

0

2

0

CC2754

2754

6

NVT(3), 15(2), 8(1)

0

0

100

0

0

0

5

1

7752

1

NVT(1)

0

0

100

0

0

0

0

1

CC3173

3173

5

6A(4), 6B(1)

80

0

100

4

0

0

1

0

6340

1

19F(1)

100

0

100

0

0

0

0

1

CC2758

2758

1

7(1)

0

0

100

1

0

0

0

0

7402

1

11(1)

0

0

100

0

0

0

0

1

11,967

1

NVT(1)

0

0

100

0

0

0

0

1

CC3387

3387

2

NVT(2)

0

0

100

2

0

0

0

0

90

1

6B(1)

0

0

100

1

0

0

0

0

CC2912

2912

1

6B(1)

0

0

0

0

0

0

0

1

8738

1

NVT(1)

100

0

100

1

0

0

0

0

CC342

342

1

17(1)

0

0

100

0

0

0

0

1

6325

1

1(1)

0

0

100

0

0

0

1

0

Singletons

9789

7

6B(3), 6A(2), NVT(2)

100

0

100

2

0

0

4

1

6202

7

15(6), 10(1)

0

0

100

0

0

0

7

0

99

5

1(1),3(1),4(1),5(1),19F(1)

0

0

100

0

0

0

2

3

4389

4

NVT(4)

0

0

50

0

0

0

1

3

OTHER

69

NVT(22), 17(7), 18(6), 15(4), 19A(3), 1(2), 14(2), 19F(2), 2(2), 20(2), 22(2), 23F(2), 3(2), 7(2), 8(2), 9(2), N23F(2), 4(1), 6A(1), 6B(1)

14.5

0

89.9

16

3

3

30

17