Comparison 2. Chlorhexidine (in aqueous solution) versus no skin antisepsis.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Septicaemia	1	136	Risk Ratio (M‐H, Fixed, 95% CI)	2.91 [0.31, 27.31]
2 Catheter colonisation	1	124	Risk Ratio (M‐H, Fixed, 95% CI)	1.26 [0.61, 2.59]
3 Number of patients who required antibiotics during in‐dwelling period of catheter	1	136	Risk Ratio (M‐H, Fixed, 95% CI)	0.84 [0.55, 1.27]