Case Control Study
Copyright ©The Author(s) 2021.
World J Crit Care Med. Sep 9, 2021; 10(5): 220-231
Published online Sep 9, 2021. doi: 10.5492/wjccm.v10.i5.220
Table 1 Univariate analysis of risk factors for central line-associated bloodstream infections
Potential risk factor

CLABSI cases, n = 34, n (%)
Control, n = 1600, n (%)
P value1
Age< 50 yr 11 (32)672 (42)0.13
> 50 yr23 (68)928 (58)
Gender Male 20 (59)880 (55)0.32
Female14 (41)720 (45)
Primary clinical diagnosisMedical 24 (71)1056 (66)2.88
Surgical10 (29)544 (34)
Catheter insertion siteSubclavian4 (11) 496 (31)< 0.05
Jugular10 (30)464 (29)
Femoral20 (59)640 (40)
ICU time interval from ICU admission till line insertion < 5 d19 (56)1408 (88)< 0.05
> 5 d15 (44)192 (12)
Location of central line insertionICU20 (59)1216 (76)< 0.05
Non-ICU14 (41)384 (24)
Length of duration central line < 1 wk 11 (32)1438 (90)< 0.001
> 1 wk23 (68)162 (10)
Death 15 (44)432 (27)< 0.01
A live discharge 19 (54)1168 (73)< 0.01