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Table 1 Baseline characteristics of the study population in intitial year of study (Undetermined previous use due to insufficient medication history prior to 1993 for 386 (4.2%) patients)

From: Distinguishing patterns in the dynamics of long-term medication use by Markov analysis: beyond persistence

At least one ICS prescription filled in 1993 New users Previous users (≥ 1 prescription in 1991 or 1992)
  (% or range) (% or range)
All patients 3,367 (36.5) 5,481 (59.4)
Male (%) 1,629 (48.4) 2,813 (51,3)
Mean age (yrs) 43.9 (0–94) 50.7 (2–99)
Mean follow-up (yrs) 7.7 (0.04–10.3) 7.7 (0.02–10.3)
Mean number of ICS prescriptions filled in 1993 2.2 (1–28) 3.6 (1–25)