Multiresistant Bacterial Pathogens Causing Bacterial Pneumonia and Analyses of Potential Risk Factors from Northeast Ethiopia
Table 4
Multidrug resistance (MDR) profile of the isolated organisms, Dessie, 2020.
Bacterial isolates (n)
Degree of resistance
R0 (%)
R1 (%)
R2 (%)
R3 (%)
R4 (%)
R5 (%)
R6 (%)
R7 (%)
R8 (%)
Total MDR (≥R3)
K. pneumoniae (n = 44)
0 (0)
0 (0)
1 (2.3)
5 (11.4)
5 (11.4)
16 (36.4)
11 (25.0)
4 (9.1)
2 (4.5)
43 (97.7)
S. pneumoniae (n = 39)
01 (2.6)
15 (38.5)
19 (48.7)
2 (5.1)
2 (5.1)
0(0)
0(0)
0(0)
0(0)
4 (10.3)
S. aureus (n = 29)
0 (0)
0 (0)
3 (10.3)
4 (13.8)
12 (41.4)
5 (17.2)
5 (17.2)
0(0)
0(0)
26 (89.7)
P. aeruginosa (n = 22)
0 (0)
5 (22.7)
7 (31.8)
6 (27.3)
2 (9.1)
2 (9.1)
0(0)
0(0)
0(0)
10 (45.5)
H. influenzae (n = 11)
1 (9.1)
5 (45.5)
1 (9.1)
0(0)
4 (36.4)
0(0)
0(0)
0(0)
0(0)
4 (36.4)
E. coli (n=7)
0 (0)
0(0)
0(0)
2 (28.6)
2 (28.6)
2 (28.6)
0(0)
0(0)
1 (14.3)
7 (100)
A. baumannii (n = 3)
0 (0)
0(0)
0(0)
0(0)
0(0)
1 (33.3)
2 (66.7)
0(0)
0(0)
3 (100)
K. oxytoca (n = 2)
0 (0)
0(0)
0(0)
0(0)
1(50)
1(50)
0(0)
0(0)
0(0)
2 (100)
Note: R0, susceptible to all antibiotics; R1–R8, resistance to 1, 2, 3, 4, 5, 6, 7, and 8 antibiotics; ≥R3, resistance to 3 or more antibiotics; MDR, multidrug resistance.