Table 3 Microbiological results of the patients
From: Microbiological analysis of nosocomial pneumonia at Tanta University Chest Hospital
Microbiological results | Group | Chi-square | |||||
|---|---|---|---|---|---|---|---|
HAP N = 50 | VAP N = 50 | ||||||
N | % | N | % | Χ2 | p-value | ||
Number of organisms/patient | One | 33 | 66.00 | 35 | 70.00 | 0.184 | 0.668 |
Two | 17 | 34.00 | 15 | 30.00 | |||
Organism distribution | Candida | 7 | 14.00 | 0 | 0.00 | 7.527 | 0.006* |
Citrobacter freundii | 0 | 0.00 | 2 | 4.00 | 2.041 | 0.153 | |
Escherichia coli | 8 | 16.00 | 6 | 12.00 | 0.332 | 0.564 | |
Enterococci | 3 | 6.00 | 0 | 0.00 | 3.093 | 0.079 | |
Staph. aureus | 16 | 32.00 | 9 | 18.00 | 2.613 | 0.106 | |
Klebsiella pneumoniae | 20 | 40.00 | 36 | 72.00 | 10.390 | 0.001* | |
Stenotrophomonas maltophilia | 2 | 4.00 | 0 | 0.00 | 2.041 | 0.153 | |
Pseudomonas aeruginosa | 6 | 12.00 | 7 | 14.00 | 0.088 | 0.766 | |
Acinetobacter baumannii | 0 | 0.00 | 5 | 10.00 | 5.263 | 0.022* | |
Strep. pneumoniae | 2 | 4.00 | 2 | 4.00 | 0.000 | 1.000 | |
Providencia stuartii | 1 | 2.00 | 0 | 0.00 | 1.010 | 0.315 | |
Strep. pyogenes | 2 | 4.00 | 0 | 0.00 | 2.041 | 0.153 | |
Antimicrobial susceptibility test | Sensitive | 36 | 72.00 | 11 | 22.00 | 25.090 |  < 0.001* |
Resistant | 14 | 28.00 | 39 | 78.00 | |||
Antimicrobial susceptibility test | Sensitive | 36 | 72.00 | 11 | 22.00 | 32.833 |  < 0.001* |
MDR isolates | 5 | 10.00 | 31 | 62.00 | |||
PDR isolates | 4 | 8.00 | 2 | 4.00 | |||
XDR isolates | 5 | 10.00 | 6 | 12.00 | |||