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Table 1 Mean telomere length in OA patients and healthy controls and in carriers of the mtDNA haplogroup J

From: mtDNA haplogroup J Modulates telomere length and Nitric Oxide production

  n Mean age ± SD T/S ratio ± SD p*
OA patients 79 69.46 ± 8.97 0.986 ± 0.261 0.684
Healthy controls 166 51.92 ± 18.45 1.008 ± 0.287  
Haplogroup J 155 52.97 ± 17.60 1.039 ± 0.287 0.003**
Non-J 90 65.22 ± 15.98 0.933 ± 0.254  
  1. (*) Mann-Whitney non-parametric U-test
  2. (**) indicates statistical significance (p ≤ 0.05)
  3. SD = Standard deviation