Table 2. Telomere length and anti-telomere antibody levels in longitudinal SLE patients with sufficient compared to insufficient vitamin D levels.

25(OH)D	25(OH)D Average(ng/ml)	Telomere Length Average	Anti-Telomere Ab Average (IU/ml)
Insufficient(<30 ng/ml)n = 18	21.75±5.83	0.54±0.08(33% “long”)	96.88±76.71(56% positive)
Sufficient(≥30 ng/ml)n = 11	41.61±11.18	0.58±0.14(55% “long”)	122.56±112.38(55% positive)
Insufficient vs. Sufficient p-value	<0.01	0.33	0.47

Telomere length is considered “long” at a cut-off of >0.56. Anti-telomere antibodies are considered “positive” at a cut-off of 64 IU/mL.