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Table 3 Pharmacotherapy Treatment Persistence Patterns

From: Disease-modifying drug initiation patterns in commercially insured multiple sclerosis patients: a retrospective cohort study

Persistence Measure

DMD-treated patients

(n = 4,462)

Persistence on DMD therapy

Mean ± SD

   Days from index diagnosis to 1st DMD

158 ± 274

   Days of continuous therapy for index DMDs (no gaps > 30 days)

511 ± 476

   Days of continuous therapy for all DMDs (no gaps > 30 days)

565 ± 503

   Days, first to last for index DMD (with gaps)*

683 ± 525

   Days, first to last for all DMDs (with gaps)*

798 ± 540

Gap analysis for the index DMD

% of patients

   No gaps in index therapy > 30 days

71.0%

   Gaps in index therapy of 31-60 days

20.6%

   Gaps in index therapy > 60 days (restarts)

16.5%

Gaps of 61-90 days

8.4%

Gaps of 91-120 days

4.4%

Gaps > 120 days

8.3%

Mean days to restart (Mean ± SD)

159 ± 151

Switched from index DMD

21.3%

Mean days to switch (Mean ± SD)

445 ± 386

Discontinued all DMDs before end of follow-up†

27.7%

Mean days to discontinuation (Mean ± SD)

527 ± 437