Table 4 Organisms distribution according to antimicrobial susceptibility test
From: Microbiological analysis of nosocomial pneumonia at Tanta University Chest Hospital
Organism distribution | Antimicrobial susceptibility test | Chi-square | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sensitive | MDR | PDR | XDR | Total | ||||||||
N | % | N | % | N | % | N | % | N | % | Χ2 | p-value | |
Candida | 7 | 14.89 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 7 | 7.00 | 8.488 | 0.037* |
Citrobacter freundii | 0 | 0.00 | 2 | 5.56 | 0 | 0.00 | 0 | 0.00 | 2 | 2.00 | 3.628 | 0.305 |
Escherichia coli | 8 | 17.02 | 4 | 11.11 | 0 | 0.00 | 2 | 18.18 | 14 | 14.00 | 1.742 | 0.628 |
Enterococci | 3 | 6.38 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 3 | 3.00 | 3.488 | 0.322 |
Staph. aureus | 16 | 34.04 | 5 | 13.89 | 1 | 16.67 | 3 | 27.27 | 25 | 25.00 | 4.673 | 0.197 |
Klebsiella pneumoniae | 19 | 40.43 | 26 | 72.22 | 3 | 50.00 | 8 | 72.73 | 56 | 56.00 | 9.808 | 0.020* |
Stenotrophomonas maltophilia | 0 | 0.00 | 0 | 0.00 | 2 | 33.33 | 0 | 0.00 | 2 | 2.00 | 31.973 |  < 0.001* |
Pseudomonas aeruginosa | 6 | 12.77 | 5 | 13.89 | 1 | 16.67 | 1 | 9.09 | 13 | 13.00 | 0.247 | 0.970 |
Acinetobacter baumannii | 1 | 2.13 | 4 | 11.11 | 0 | 0.00 | 0 | 0.00 | 5 | 5.00 | 4.541 | 0.209 |
Strep. pneumoniae | 3 | 6.38 | 1 | 2.78 | 0 | 0.00 | 0 | 0.00 | 4 | 4.00 | 1.543 | 0.672 |
Providencia stuartii | 1 | 2.13 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 1 | 1.00 | 1.139 | 0.768 |
Strep. pyogenes | 2 | 4.26 | 0 | 0.00 | 0 | 0.00 | 0 | 0.00 | 2 | 2.00 | 2.301 | 0.512 |