Table 4

Number and types of organisms isolated with or without repeated throat infection

IsolatesNumber of isolates (N)Total (204 samples)p Value
No history of repeated throat infection (112samples)History of repeated throat infection (92 samples)
Gram positive bacteria
Viridans streptococci  86 (76.7) 74 (80.4)160 (78.4)0.57
Streptococcus pneumoniae  6 (5.3) 28 (30.4)34 (16.6)0.21
Streptococcus pyogenes  2 (1.7) 9 (8.0)11 (5.3)0.76
 β-haemolytic streptococci (non-Group A) 8 (7.1) 10 (8.9)18 (8.8)0.89
Staphylococcus aureus  6 (5.3) 24 (21.4)30 (14.7)0.36
Corynebacterium diphtheriae  2 (1.7) 5 (4.4)7 (3.4)0.87
Total110150260
Gram negative bacteria
 Moraxella spp 53 (47.3) 40 (43.4)93 (45.5)0.71
Neisseria meningitidis  0 (0) 3 (2.6)3 (1.4)-
Klebsiella pneumoniae  3 (2.6) 7 (6.2)10 (4.9)0.82
Pseudomonas aeruginosa  2 (1.7) 1 (0.8)3 (1.4)0.95
 Enterobacter spp 2 (1.7) 1 (0.8)3 (1.4)0.95
 Citrobacter spp 2 (1.7) 3 (2.6)5 (2.4)0.95
 Acinetobacter spp 1 (0.8) 4 (3.5)5 (2.4)0.89
Haemophilus influenzae  2 (1.7) 5 (4.4)7 (3.4)0.87
Haemophilus parainfluenzae  1 (0.8) 4 (3.5)5 (2.4)0.89
Total6668134
  • Figures in parenthesis depict %.