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Table 3 Comparison of 35 patients who developed established connective tissue disease with 126 patients who remained in the stable stage of undifferentiated connective tissue disease

From: Vitamin D deficiency in undifferentiated connective tissue disease

 

Patients with evolution into defined CTD

n = 35

Patients with 'stable' UCTD

n = 126

P value

Age, years (mean ± standard deviation)

43.85 ± 11.1

range: 21–67

44.9 ± 12.7

range: 17–78

0.651

Duration of follow-up, years

2.31 ± 1.2

range: 0.5–4

4.09 ± 2.36

range: 0.5–9

0.0006113

Vitamin D serum levels, ng/mL

14.7 ± 6.45

range: 4.7–25.2

33.0 ± 13.4

range: 6–88.9

0.0001

  1. CTD, connective tissue disease; UCTD, undifferentiated connective tissue disease.
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Arthritis Research & Therapy

ISSN: 1478-6362

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