Research Article

The Epidemiology of Bloodstream Infections and Antimicrobial Susceptibility Patterns: A Nine-Year Retrospective Study at St. Dominic Hospital, Akwatia, Ghana

Table 4

Antimicrobial susceptibility pattern of bacterial isolates from blood culture at St. Dominic Hospital in Akwatia.

Bacterial isolatePatternAminoglycosidesPhenicolsNitrofurantoinGlycopeptidesTetracyclines
n (%)n (%)n (%)n (%)n (%)

S. aureusS114 (68.3)1 (16.7)0 (0.0)2 (100.0)61 (36.7)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)1 (0.6)
R53 (31.7)5 (83.3)0 (0.0)0 (0.0)104 (62.7)

E. coliS69 (75.0)16 (29.1)0 (0.0)0 (0.0)8 (16.7)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R23 (25.0)39 (70.9)0 (0.0)0 (0.0)40 (83.3)

P. aeruginosaS51 (82.3)0 (0.0)0 (0.0)0 (0.0)1 (33.3)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R11 (17.7)2 (100.0)0 (0.0)0 (0.0)2 (66.7)

Streptococcus spp.S10 (29.4)0 (0.0)0 (0.0)0 (0.0)5 (18.5)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R24 (70.6)1 (100.0)0 (0.0)0 (0.0)22 (81.5)

Klebsiella spp.S80 (64.0)9 (13.0)1 (100.0)0 (0.0)5 (8.1)
I1 (0.8)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R44 (35.2)60 (87.0)0 (0.0)0 (0.0)57 (91.9)

Shigella spp.S2 (100.0)1 (100.0)0 (0.0)0 (0.0)0 (0.0)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R0 (0.0)0 (0.0)0 (0.0)0 (0.0)1 (100.0)

EnterobacterS25 (64.1)3 (13.6)0 (0.0)0 (0.0)4 (16.7)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R14 (35.9)19 (86.4)0 (0.0)0 (0.0)20 (83.3)

EnterococcusS1 (33.3)0 (0.0)0 (0.0)0 (0.0)2 (66.7)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R2 (66.7)0 (0.0)0 (0.0)0 (0.0)1 (33.3)

MicrococcusS0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)

CoNSS108 (64.7)1 (25.0)0 (0.0)0 (0.0)42 (25.8)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R59 (35.3)3 (75.0)0 (0.0)1 (100.0)121 (74.2)

Salmonella spp.S54 (96.4)5 (14.7)0 (0.0)0 (0.0)12 (35.3)
I0 (0.0)0 (0.0)0 (0.0)0 (0.0)0 (0.0)
R2 (3.6)29 (85.3)0 (0.0)0 (0.0)22 (64.7)

TotalS514 (68.8)36 (18.6)1 (100.0)2 (66.7)140 (26.4)
I1 (0.1)0 (0.0)0 (0.0)0 (0.0)1 (0.2)
R232 (31.1)158 (81.4)0 (0.0)1 (33.3)390 (73.4)

Data are presented as numbers and percentages in parentheses. Gram-positive isolates. CoNS, coagulase-negative staphylococcus; S, susceptible; I, intermediately resistant; R, resistant.