Table 2.

Distribution of pathogens causing surgical site infections (SSIs) in 4 MNGHA hospitals in Saudi Arabia (2007–2016)

	CSEC (N = 160)	COLO (N = 29)	CBGB (N = 194)	CHOL (N = 28)	HER (N = 21)	KPRO (N = 22)	Others (N = 38)	Total (N = 492)
All gram positive bacteria	89 (55.6%)	6 (20.7%)	50 (25.8%)	6 (21.4%)	8 (38.1%)	8 (36.4%)	2 (5.3%)	169 (34.3%)
Staphylococcus aureus	67 (41.9%)	1 (3.4%)	28 (14.4%)	3 (10.7%)	5 (23.8%)	7 (31.8%)	1 (2.6%)	112 (22.8%)
Enterococcus spp.	10 (6.3%)	5 (17.2%)	8 (4.1%)	2 (7.1%)	3 (14.3%)	(0.0%)	1 (2.6%)	29 (5.9%)
Coagulase negative staphylococci			11 (5.7%)			1 (4.5%)		12 (2.4%)
Other gram positive	12 (7.5%)		3 (1.5%)	1 (3.6%)				16 (3.3%)
All gram negative bacteria	71 (44.4%)	23 (79.3%)	142 (73.2%)	17 (60.7%)	13 (61.9%)	14 (63.6%)	36 (94.7%)	316 (64.2%)
Acinetobacter spp.	1 (0.6%)	1 (3.4%)	4 (2.1%)	1 (3.6%)		1 (4.5%)	4 (10.5%)	12 (2.4%)
Pseudomonas aeruginosa	19 (11.9%)	6 (20.7%)	52 (26.8%)	2 (7.1%)	5 (23.8%)	7 (31.8%)	8 (21.1%)	99 (20.1%)
Klebsiella spp.	15 (9.4%)	4 (13.8%)	29 (14.9%)	4 (14.3%)	2 (9.5%)	1 (4.5%)	5 (13.2%)	60 (12.2%)
Enterobacter spp.	8 (5.0%)	2 (6.9%)	18 (9.3%)	2 (7.1%)	1 (4.8%)	0	7 (18.4%)	38 (7.7%)
Escherichia coli	17 (10.6%)	8 (27.6%)	16 (8.2%)	5 (17.9%)	2 (9.5%)	2 (9.1%)	10 (26.3%)	60 (12.2%)
Serratia spp.	1 (0.6%)		13 (6.7%)	1 (3.6%)				15 (3.0%)
Proteus spp.	7 (4.4%)		3 (1.5%)		3 (14.3%)			13 (2.6%)
Other gram negative	3 (1.9%)	2 (6.9%)	7 (3.6%)	2 (7.1%)		3 (13.6%)	2 (5.3%)	19 (3.9%)
Fungi			2 (1.0%)	5 (17.9%)				7 (1.4%)

Abbreviations: As in Table 1. Other gram positive pathogens included Streptococcus spp., Streptococcus beta-hemolytic, and Streptococcus pneumonia. Other gram negative pathogens included Citrobacter spp., Bacteroides spp., Morganella morganii, Burkholderia cepacia, and Providencia stuartii