Table 1.

Studied variables in BSIs cases based on outcomes and use of the catheter in ICU wards

Variables	Outcome			Catheter
	Discharge 238	Dead 102	P*	Yes 174	No 224	P
Age (year)	55.83±18.78	57.21±16.15	0.495	55.23±18.40	56.46±18.14	0.504
Hospitalisation length (day)	47.07±44.15	47.38±64.79	0.959	63.57±65.75	38.67±39.13	<0.001
Duration between hospitalisation and incidence of BSIs (day)	29.44±39.55	37.21±62.41	0.248	53.27±79.39	24.95±36.85	<0.001
Duration between inserting catheter and incidence of BSIs (day)	28.90±31.59	33.98±39.16	0.441	-	-	-
Sex
Male	138 (58.0%)	59 (57.8%)	0.981	95 (54.6%)	137 (61.2%)	0.188
Female	100 (42.0%)	43 (42.2%)		79 (45.4%)	87 (38.8%)
Year
2017	30 (56.6%)	23 (43.4%)	<0.001	70 (40.2%)	2 (0.9%)	<0.001
2018	32 (47.8%)	35 (52.2%)		100 (57.5%)	6 (2.7%)
2019	76 (93.8%)	5 (6.2%)		3 (1.7%)	78 (34.8%)
2020	100 (71.9%)	39 (28.1%)		1 (0.6%)	138 (61.6%)
Catheter
Central venous catheter	38 (44.2%)	48 (55.8%)	<0.001	-	-	-
Peripheral venous catheter	24 (80.00%)	6 (20.00%)
Without catheter	176 (78.6%)	48 (21.4%)
Organism
Acinetobacter	50 (21.0%)	36 (35.3%)	0.004	33 (19.0%)	63 (28.1%)	0.002
Staphylococcus epidermidis**	75 (31.5%)	13 (12.7%)		29 (16.7%)	70 (31.3%)
Enterobacter	12 (5.0%)	2 (2.0%)		10 (5.7%)	7 (3.1%)
Pseudomonas aeruginosa	5 (2.1%)	1 (1.0%)		3 (1.7%)	4 (1.8%)
Candida	4 (1.7%)	2 (2%)		5 (2.9%)	2 (0.9%)
Enterococcus	18 (7.6%)	4 (3.9%)		20 (11.5%)	11 (4.9%)
Klebsiella	58 (24.4%)	34 (33.3%)		60 (34.5%)	54 (24.1%)
Staphylococcus aureus	8 (3.4%)	6 (5.9%)		6 (3.4%)	8 (3.6%)
E. coli	6 (2.5%)	2 (2%)		5 (2.9%)	3 (1.3%)
Other	2 (0.8%)	2 (2.0%)		3 (1.7%)	2 (0.9%)

*P<0.05 was considered significant. **Confirmed with two sample