Table 3.

Reasons for the preference of IV therapy to alternative modes of administration

Reasons for preferring an IV biologic, n (%)	Patients preferring IV therapy (n=332)
Dislike of self-injection/needles; lack of comfort with self-injection	144 (43.4)
Less frequent dosing	114 (34.3)
Administered by a professional; self-injection may not be carried out safely	80 (24.1)
Staff interaction at infusion center	54 (16.3)
Easier to remember doses when an appointment is scheduled	45 (13.6)
IV infusion is perceived to be more effective than SC injection	38 (11.4)
IV has always been effective/no experience with SC administration	31 (9.3)
Infusion is easier/everything is taken care of for you	11 (3.3)
Less costly	10 (3.0)
IV infusion is less painful	10 (3.0)

Abbreviations: IV, intravenous; SC, subcutaneous.