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Table 2 Characteristics among 2855 participants according to status of OA

From: Relation between phalangeal bone mineral density and radiographic knee osteoarthritis: a cross-sectional study

Characteristics Status of OA P
Normal OA
N 2022 833 -
OP (%) 9.2 9.6 0.74
Age (years) 51.4 ± 6.7 55.1 ± 7.8 <0.001
Female (%) 44.3 42.0 0.26
BMI (kg/m2) 24.5 ± 3.2 24.5 ± 3.2 0.87
Overweight (%) 40.8 42.0 0.55
Smoking (%) 25.6 24.8 0.67
Alcohol drinking (%) 37.4 36.0 0.49
Mean total energy intake (kcal/d) 1628.1 ± 725.2 1610.1 ± 800.3 0.64
Mean Ca intake (kcal/d) 498.9 ± 342.2 490.9 ± 294.5 0.82
Ca supplementation (%) 26.3 30.6 0.02
  1. N number, OA osteoarthritis, OP osteoporosis, BMI body mass index, Ca calcium