Table 2

Microbiology of the genital tract in cases and controls

OrganismCase (%)Control (%)Difference
Anaerobes29  (58)46  (92)p = 0.0005
Diphtheroids24 (48)31 (62)
Coagulase negative staphylococci30 (60)28 (56)
Escherichia coli 15 (30)17 (34)
Streptococcus viridans 3 (6)14 (28)p = 0.003
Enterococcus6 (12)5 (10)
Haemophilus influenzae 2 (4)2 (4)
Streptococcus pneumoniae 01 (2)
Group G streptococcus1 (2)1 (2)
Group B streptococcus1 (2)1 (2)
Lactobacilli (1 seen) 1 + 1 seen
Proteus species4 (8)1 (2)
Staphylococcus aureus 5 (10)1 (2)p = 0.08
Group A streptococcus3 (6)0p = 0.07
Klebsiella species1 (2)0
Candida albicans 1 (2)0
Streptococcus milleri 2 (4)0
Pseudomonas aeruginosa 1 (2)0
Enterobius1 (2)1 (2)