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Table 3 Delays in RA management in Brazil according to the year of disease onset

From: Decreasing delays in the diagnosis and treatment of rheumatoid arthritis in Brazil: a nationwide multicenter observational study

Disease onset (year)

Diagnostic delay (months)

N*

Treatment delay (months)

N*

Mean (SD)

Median [IQR]

Mean (SD)

Median [IQR]

 ≤ 1990

71.2 (92.6)

24 [8–120]

161

101.7 (118.5)

60 [12–163]

141

1991–1995

47.8 (56.2)

24 [8–72]

103

52.5 (1.3)

36 [12–82]

95

1996–2000

35.3 (44.3)

21 [6–48]

162

40.0 (53.3)

24 [6.75–49]

146

2001–2005

28.2 (38.3)

12 [6–36]

237

32.5 (41.5)

13 [6–37.5]

217

2006–2010

17.8 (19.8)

12 [5–24]

256

17.8 (19.0)

12 [5–24]

239

2011–2015

11.1 (9.4)

8 [4–12]

160

12.2 (9.8)

11 [5–17]

157

  1. RA, rheumatoid arthritis; SD, standard deviation; IQR, interquartile range
  2. *Numbers of participants with data available for the assessments