Comparison 4. Sensitivity analysis: antibiotic lock solutions versus control excluding studies judged to be at high‐risk bias.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Catheter‐related infection (per 1000 catheter‐days)	7		Rate Ratio (Random, 95% CI)	0.37 [0.28, 0.48]
2 Thrombosis (per 1000 catheter‐days)	2		Rate Ratio (Random, 95% CI)	0.79 [0.24, 2.63]