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Table. 3.

Table. 3.

Relation between serotype and antimicrobial resistance

Serotype (N) Resistance rate (%) and MDR, XDR in each serotype

PEN (NS) AMC CTX (NS) CRO (NS) ERY CLI LEV TET SXT VAN MDR XDR
3*, (50) 4.0 (6.0) 4.0 4.0 (4.0) 4.0 (6.0) 50.0 44.0 4.0 48.0 12.0 0 4.0 4.0
10A (39) 12.8 (41.0) 0 5.1 (23.1) 0.0 (28.2) 89.7 87.2 0 89.7 2.6 0 12.8 0
34 (30) 3.3 (10.0) 0 3.3 (6.7) 3.3 (3.3) 43.3 40.0 6.7 40.0 3.3 0 6.7 3.3
19A*, (28) 35.7 (85.7) 67.9 14.3 (67.9) 14.3 (57.1) 100 75.0 0 100 100 0 50.0 50.0
23A (26) 30.8 (65.4) 65.4 7.7 (61.5) 23.1 (69.2) 88.5 88.5 0 92.3 0 0 69.2 0
22F (25) 4.0 (12.0) 0 4.0 (4.0) 4.0 (4.0) 68.0 40.0 0 40.0 4.0 0 4.0 4.0
35B (24) 16.7 (25.0) 12.5 20.8 (25.0) 20.8 (25.0) 100 95.8 20.8 87.5 20.8 0 20.8 20.8
11A (21) 23.8 (85.7) 71.4 57.1 (95.2) 38.1 (90.5) 95.2 95.2 14.3 90.5 95.2 0 76.2 71.4
15B (16) 37.5 (62.5) 43.8 6.3 (31.3) 0 (43.8) 100 56.3 0 100 43.8 0 50.0 25.0
12F (15) 0 (0) 0 0 (0) 0 (0) 86.7 80.0 0 93.3 6.7 0 0 0
19F*,,‡ (14) 28.6 (92.9) 64.3 7.1 (57.1) 0 (57.1) 100 78.6 14.3 78.6 100 0 50.0 50.0
23B (13) 7.7 (61.5) 53.8 0.0 (53.8) 15.4 (61.5) 69.2 61.5 0 61.5 0 0 53.8 0
20 (12) 8.3 (16.7) 8.3 16.7 (16.7) 16.7 (16.7) 83.3 83.3 16.7 83.3 16.7 0 16.7 16.7
24F/24A/24B (11) 9.1 (9.1) 0 0 (0) 0 (0) 100 100 0 100 0 0 9.1 0
15A (10) 0 (50.0) 0 0 (20.0) 0 (20.0) 100 70.0 0 100 70.0 0 0 0
Others§ (77) 6.5 (31.2) 13.0 7.8 (27.3) 9.1 (26.0) 80.5 53.2 1.3 76.6 27.3 0 10.4 3.9

*13-valent pneumococcal conjugate vaccine (PCV13) serotype; Pneumococcal polysaccharide vaccine (PPSV23) serotype; 7-valent pneumococcal conjugate vaccine (PCV7) serotype; §Other serotypes, including serotypes 2, 6A, 6B, 6C, 6D, 7B, 9N/9L, 9V, 11D, 13, 14, 15C, 15F, 16F, 23F, 31, 33F, 38/25F/25A, and 44/46, and non-typeable isolates.

Abbreviations: NS, non-susceptible; MDR, multidrug-resistant; XDR, extensively drug-resistant; AMC, amoxicillin/clavulanate; CTX, cefotaxime; CRO, ceftriaxone; CLI, clindamycin; ERY, erythromycin; LEV, levofloxacin; PEN, penicillin; TET, tetracycline; SXT, sulfamethoxazole/trimethoprim; VAN, vancomycin.

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