Table 2.

The Estimates of Common Gram-Negative Bacteria Isolated from Wound Samples

Bacteria	No. of Studies	Sample	Case	Estimate [95% CI]	χ2	I2 (%)
Escherichia coli	34	5205	762	17[14–20]	380.24	91.32
K. pneumoniae	34	5281	539	11[9–13]	364.42	90.94
P. aeruginosa	32	6145	562	11[8–11]	557.33	94.44
P. mirabilis	30	4713	513	8[6–10]	369.37	92.15
Citrobacter species	20	3563	126	3[2–4]	39.81	52.27
Enterobacter species	16	2857	123	4[3–5]	29.41	49.00
Acinetobacter species	12	1786	80	4[2–6]	72.86	84.90

Abbreviation: CI, confidence interval.