Research Article

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.