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Table 1 Patient demographics and follow-up observation time

From: Treatment patterns and comorbid burden of patients newly diagnosed with multiple sclerosis in the United States

Characteristic Value
Age (years), Mean (SD) 52.8 (16.1)
 Age: < 20 1.5%
 Age: 20–24 2.7%
 Age: 25–34 10.1%
 Age: 35–44 17.9%
 Age: 45–54 21.3%
 Age: 55–64 19.0%
 Age: 65–74 18.9%
 Age: 75–84 6.6%
 Age: 85+ 2.1%
Gender: Female 73.0%
Insurance type: Medicare 41.2%
Charlson comorbidity index score, Mean (SD) 1.77 (2.55)
Follow-up time
 Proportion of patients with at least x days of follow-up
   ≥ 365 days 100.0%
   ≥ 730 days 62.6%
   ≥ 1095 days 36.3%
  Mean follow-up (days) 973
  Std. deviation 441
  Median follow-up (days) 879
Received a DMT any time during follow-up 35.0%
 Time (days) from MS diagnosis to receiving DMT, Mean (SD) 169 (258)