Comparison between Arm Port and Chest Port for Optimal Vascular Access Port in Patients with Breast Cancer: A Systematic Review and Meta-Analysis

Table 2

The subgroup analysis for the selected studies.

Subgroups	No. of studies	AR [95%CI]	RR [95%CI]	RD [95%CI]
Infection
Comparative	4		0.58[0.32–1.055]		0.074
Arm	5	0.027[0.003–0.051]	1.63[0.97–2.75]	0.02[−0.008–0.049]	0.064
Chest	13	0.007[0.002–0.011]
Thrombosis
Comparative	4		2.23[1.04–4.79]		0.041
Arm	6	0.045[−0.002–0.093]	1.21[1.02–1.43]	0.003[−0.059–0.065]	0.029
Chest	13	0.042[0.028–0.057]

AR: absolute risk; RR: risk ratio; RD: risk difference.