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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Biotech Histochem. 2016 Feb;91(2):77–85. doi: 10.3109/10520295.2015.1082625

Table 1.

Demographics

Group Gender Age Race
Male Female Mean ± SD Range Black White Others
OA 36 14 54.3 ± 10.6 30–88 42 6 2
RA 21 12 58.4 ± 11.0 38–80 19 11 3
Totals 57 26 55.9 ± 10.9 30–88 61 17 5

OA, osteoarthritis; RA, rheumatoid arthritis. “Others” are Hispanic and Asian/Pacific Islander. One OA person in the “Others” column is both Hispanic and Black. OA and RA differed by race (X2, p = 0.028), but not gender, (X2, p = 0.65) or age (Wilcoxon Rank Sum Test, p = 0.140)