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Table 3 Time (months) from initial clinic visit to diagnosis and treatment initiation (i.e. starting DMARDS)

From: The impact of rheumatologist-performed ultrasound on diagnosis and management of inflammatory arthritis in routine clinical practice

  Time (months)
to formal diagnosis
Time (months)
to treatment initiation with DMARDS
  US Non-US RA US RA
Non-US
US Non-US RA US RA
Non-US
Total 123 117 56 58 73 77 56 58
Mean 2.18 2.76 1.18 1.94 1.49 2.29 1.10 2.38
Median 0.85 2.00 0.23 1.38 0.62 1.41 0.46 1.81
SD 3.02 2.74 2.09 1.90 2.31 2.44 1.65 2.34
IQR 0.0 to 3.22 0.49 to 4.14 0.0 to 1.25 0.46 to 3.15 0.0 to 1.74 0.46 to 3.25 0.0 to 1.38 0.51 to 3.42
P value (Mann-Whitney U) 0.0046 0.0016 0.0048 0.0007