Table 2 Detection and distribution of pathogenic bacteria
Pathogenic bacteria | No. studies | No. positive | No. Strains | % (95%, CI) | Heterogeneity | |||
|---|---|---|---|---|---|---|---|---|
Chi2 | P-value | I2 | ||||||
Gram-negative bacteria | Klebsiella pneumoniae | 15 | 428 | 2,683 | 17 (12, 21) | 201.65 | < 0.00001 | 93% |
Pseudomonas aeruginosa | 15 | 382 | 2,683 | 14 (12, 16) | 32.71 | 0.003 | 57% | |
Escherichia coli | 12 | 356 | 2,444 | 13 (8, 18) | 249.42 | < 0.00001 | 95% | |
Acinetobacter baumannii | 15 | 202 | 2,683 | 7 (6, 9) | 41.31 | 0.0002 | 66% | |
Enterobacter cloacae | 8 | 69 | 1,508 | 4 (3, 5) | 10.20 | 0.18 | 31% | |
Haemophilus influenza | 6 | 82 | 1,782 | 4 (3, 5) | 4.96 | 0.55 | 0% | |
Gram-positive bacteria | Staphylococcus aureus | 15 | 269 | 2,683 | 9 (7, 12) | 56.00 | < 0.00001 | 75% |
Staphylococcus haemolyticus | 11 | 104 | 1,832 | 4 (2, 6) | 65.59 | < 0.00001 | 85% | |
Streptococcus | 11 | 93 | 2,123 | 4 (3, 5) | 14.01 | 0.17 | 29% | |
Staphylococcus epidermidis | 8 | 57 | 1,457 | 1 (0, 3) | 2.77 | 0.91 | 0% | |
Fungi | Candida albicans | 10 | 138 | 1,973 | 6 (4, 9) | 77.60 | < 0.00001 | 88% |
Candida tropicalis | 8 | 60 | 1,885 | 3 (2, 4) | 6.56 | 0.48 | 0% | |
Candida globus | 7 | 41 | 1,694 | 2 (1, 3) | 12.12 | 0.06 | 50% | |