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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