Table 3.

Relative Risk for Infusion Set Blockage Associated with Various Factors

Risk factor	RR	P value
>3 days set use with lispro	1.71 (1.03–2.85)	0.07
Insulin analog use, any duration
Lispro	1.39 (0.95–2.10)	0.12
Aspart	0.76 (0.51–1.13)	0.27
Glulisine	0.62 (0.12–3.12)	0.60
Kinking	1.36 (0.89–2.10)	0.17
Teflon cannula use	0.76 (0.51–1.12)	0.28

RR, relative risk.