The Epidemiology of Bloodstream Infections and Antimicrobial Susceptibility Patterns: A Nine-Year Retrospective Study at St. Dominic Hospital, Akwatia, Ghana
Table 3
Antimicrobial susceptibility pattern of bacterial isolates from blood culture at St. Dominic Hospital in Akwatia.
Bacterial isolate
Pattern
Penicillin
Cephalosporins
Macrolides
Quinolones and fluoroquinolones
Sulphonamides
n (%)
n (%)
n (%)
n (%)
n (%)
S. aureus
S
116 (17.3)
54 (64.3)
104 (64.2)
52 (77.6)
24 (14.8)
I
5 (0.7)
0 (0.0)
1 (0.6)
0 (0.0)
0 (0.0)
R
549 (81.9)
30 (35.7)
57 (35.2)
15 (22.4)
138 (85.2)
E. coli
S
10 (14.1)
35 (32.1)
0 (0.0)
48 (87.3)
4 (10.5)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
61 (85.9)
74 (67.9)
1 (100.0)
7 (12.7)
34 (89.5)
P. aeruginosa
S
1 (25.0)
5 (33.3)
0 (0.0)
48 (96.0)
0 (0.0)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
3 (75.0)
10 (66.7)
0 (0.0)
2 (4.0)
0 (0.0)
Streptococcus spp.
S
30 (29.7)
21 (72.4)
14 (51.9)
9 (69.2)
1 (3.8)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
71 (70.3)
8 (27.6)
13 (48.1)
4 (30.8)
25 (96.2)
Klebsiella spp.
S
8 (9.0)
40 (25.0)
0 (0.0)
31 (62.0)
3 (5.7)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
81 (91.0)
120 (75.0)
0 (0.0)
619 (38.0)
50 (94.3)
Shigella spp.
S
0 (0.0)
0 (0.0)
0 (0.0)
1 (100.0)
0 (0.0)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
1 (100.0)
2 (100.0)
0 (0.0)
0 (0.0)
1 (100.0)
Enterobacter
S
6 (15.8)
16 (25.0)
0 (0.0)
16 (88.9)
2 (9.1)
I
0 (0.0)
0 (0.0)
0 (0.0)
1 (5.6)
0 (0.0)
R
32 (84.2)
48 (75.0)
0 (0.0)
1 (5.6)
20 (90.9)
Enterococcus
S
2 (15.4)
0 (0.0)
1 (50.0)
0 (0.0)
0 (0.0)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
11 (84.6)
2 (100.0)
1 (50.0)
1 (100.0)
3 (100.0)
Micrococcus
S
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
CoNS
S
198 (31.2)
92 (67.6)
88 (53.3)
70 (93.3)
11 (6.9)
I
1 (0.2)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
436 (68.7)
44 (32.4)
77 (46.7)
5 (6.7)
148 (93.1)
Salmonella spp.
S
10 (21.3)
80 (90.9)
0 (0.0)
19 (100.0)
4 (11.4)
I
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
0 (0.0)
R
37 (78.7)
8 (9.1)
0 (0.0)
0 (0.0)
31 (88.6)
Total
S
381 (22.8)
343 (49.8)
207 (58.0)
294 (84.2)
49 (9.8)
I
6 (0.4)
0 (0.0)
1 (0.3)
1 (0.3)
0 (0.0)
R
1282 (76.8)
346 (50.2)
149 (41.7)
54 (15.5)
450 (90.2)
Data are presented as numbers and percentages in parentheses. Gram-positive isolates. CoNS, coagulase-negative staphylococcus; S, susceptible; I, intermediately resistant; R, resistant.