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Table 3 Epidemiology and antibiotic resistance rates amongst the predominant BHS groups

From: Incidence of macrolide–lincosamide–streptogramin B resistance amongst beta-haemolytic streptococci in The Gambia

Characteristic Category GAS GBS GGS Total p value
Sex, n (%) Female 47 (88.7) 2 (3.8) 4 (7.5) 53 (100.0) 0.03
Male 37 (78.7) 9 (19.2) 1 (2.1) 47 (100.0)  
Total 84 (84.0) 11 (11.0) 5 (5.0) 100 (100.0)  
Age, n (%) ≤3 month 4 (80.0) 1 (20.0) 0 (0.00) 5 (100.0) 0.03
3 month to ≤5 years 26 (100) 0 (0.0) 0 (0.0) 26 (100.0)  
5 to  ≤15 years 12 (100.0) 0 (0.0) 0 (0.0) 12 (100.0)  
15–35 years 11 (68.8) 3 (18.8) 2 (12.5) 16 (100.0)  
>35 years 9 (69.2) 3 (23.08) 1 (7.69) 13 (100.0)  
Othersa 12 (70.6) 3 (17.7) 2 (11.8) 17 (100.0)  
Total 74 (83.2) 10 (11.2) 5 (5.6) 89 (100.0)  
Penicillin resistance, n (%) Resistant 5 (71.4) 2 (28.6) 0 (0.0) 7 (100.0) 0.3
Sensitive 121 (78.57) 17 (11.0) 16 (10.4) 154 (100.0)  
Total 126 (78.3) 19 (11.8) 16 (9.9) 161 (100.0)  
Clindamycin resistance, n (%) Intermediate 1 (100.0) 0 (0.0) 0 (0.0) 1 (100.0) 0.04
Resistant 2 (33.3) 3 (50.0) 1 (16.7) 6 (100.0)  
Sensitive 123 (79.9) 16 (10.4) 15 (9.7) 154 (100.0)  
Total 126 (78.3) 19 (11.8) 16 (9.9) 161 (100.0)  
Erythromycin resistance, n (%) Intermediate 6 (66.7) 2 (22.2) 1 (1.1) 9 (100.0) 0.4
Resistance 8 (66.7) 2 (16.7) 2 (16.7 12 (100.0)  
Sensitive 112 (80.0) 15 (10.7) 13 (9.3) 140 (100.0)  
Total 126 (78.3) 19 (11.8) 16 (9.9) 161 (100.0)  
  1. aOther comprised 18 subjects, for whom age was recorded in source document as child (3/18) or adult (15/18)