TABLE 4.

Rationale for Stopping (Early Biologic Fillers and Late Biologic Fillers) and Not Filling (Nonfillers) bDMARDs

	All Patients (N = 373)	Early Biologic Fillersa (n = 170)	Late Biologic Fillersb (n = 59)	Nonfillersc (n = 144)
Any reason, n (%)	47 (12.6)	14 (8.2)	12 (20.3)	21 (14.6)
Cost	4 (8.5)	1 (7.1)	1 (8.3)	2 (9.5)
Efficacy	6 (12.8)	2 (14.3)	2 (16.7)	2 (9.5)
Side effects	10 (21.3)	3 (21.4)	3 (25.0)	4 (19.0)
No reason given	39 (83.0)	12 (85.7)	8 (66.7)	19 (90.5)

^abDMARD prescription filled within 30 days of index bDMARD.

^bbDMARD prescription filled within 31-180 days of index bDMARD.

^cbDMARD prescription not filled at all within 180 days of index bDMARD.

bDMARD = biologic disease-modifying antirheumatic drug.