Table 4

Microbiology results from literature review

Reference1120232430212927Current studyTotal
Publication yr1977198919911998200020002007200820082012
CountryUSAUSASwedenUSAUKUSAUKAustraliaUSAAustralia
No. of isolates428135746281578112248631632,187
No. (%) of coagulase-negative staphylococcal isolates8 (24)37 (46)59 (17)86 (19)39 (48)172 (30)15 (13)78 (31)13 (21)18 (11)525 (24)
No. (%) of Staphylococcus aureus isolates10 (19)19 (23)149 (42)101 (22)11 (14)135 (23)26 (23)53 (21)23 (38)47 (29)574 (26
No. (%) of streptococcus species isolates5 (12)12 (15)17 (6)42 (9)8 (10)51 (9)6 (5)17 (7)8 (13)2 (1)168 (8)
No. (%) of enterococcus species isolates4 (10)7 (9)10 (3)6 (1)6 (7)16 (3)3 (3)15 (6)0 (0)1 (0.6)68 (3)
No. (%) of diptheroid isolates0 (0)6 (7)5 (1)3 (0.6)3 (4)3 (0.5)2 (2)11 (4)1 (2)1 (0.6)35 (2)
No. (%) of Gram-negative bacillus isolates12 (29)18 (22)19 (5)38 (8)2 (2)33 (6)7 (6)58 (23)7 (11)23 (14)217 (10)
No. (%) of propionibacterium species isolates1 (2)1 (1)1 (0.3)0 (0)2 (2)0 (0)0 (0)1 (0.4)0 (0)0 (0)6 (0.3)
No. (%) of polymicrobial isolates11 (26)0 (0)55 (15)88 (19)10 (12)71 (12)53 (33)0 (0)4 (6)59 (36)351 (16)
No. (%) of anaerobe isolates1 (2)7 (9)8 (2)6 (1)0 (0)23 (4)3 (3)4 (2)0 (0)0 (0)52 (2)
No. (%) of isolates of other infectious species19 (19)3 (4)1 (0.3)7 (2)0 (0)10 (2)1 (1)8 (3)0 (0)1 (0.6)50 (2)
No. (%) of culture negative isolates2 (2)2 (2)29 (8)5 (1)0 (0)64 (11)7 (5)0 (0)6 (10)12 (7)127 (6)