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Table 3 Comparison of resistance to tetracycline, erythromycin, and clindamycin of GBS isolates with different serotypes, CC17 and hvgA

From: Molecular characteristics of group B Streptococcus isolates from infants in southern mainland China

 

Total (n = 93)

Serotypes (n,%)

CCs (n,%)

hvgA (n,%)

Ia (n = 4)

Ib (n = 12)

III (n = 74)

IV (n = 3)

CC17 (n = 60)

Non-CC17

(n = 33)

hvgA(+)

(n = 62)

hvgA(−)

(n = 31)

Tetracycline

87 (93.5%)

4 (100%)

11 (91.7%)

69 (93.2%)

3 (100%)

57 (95.0%)

30 (90.9%)

60 (96.8%)

27 (87.1%)

Erythromycin

56 (60.2%)

2 (50%)

7 (58.3%)

45 (60.8%)

2 (66.7%)

38 (63.3%)

18 (54.5%)

39 (62.9%)

17 (54.8%)

Clindamycin

61 (65.6%)

1 (25%)

8 (66.7%)

50 (67.6%)

2 (66.7%)

40 (66.7%)

21 (63.6%)

46 (74.2%)a

15 (48.4%)

  1. aCompared to the hvgA(+) isolates, P < 0.05