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Table 1 Characteristics of study participants with no bone marrow lesions at baseline

From: Dietary fatty acid intake affects the risk of developing bone marrow lesions in healthy middle-aged adults without clinical knee osteoarthritis: a prospective cohort study

  Incident BMLs
(n = 32)
Without incident BMLs
(n = 198)
P valuea
Age, years 57.6 (5.8) 57.7 (5.0) 0.91
Number of females (percentage of females) 23 (72%) 120 (61%) 0.22b
Body mass index, kg/m2 27.9 (5.3) 25.4 (3.8) 0.02
Energy intake, kJ/d 8,822 (3,019) 9,293 (3,063) 0.42
Saturated fatty acid, g/day 35.7 (1.2) 33.0 (0.5) 0.03c
Monounsaturated fatty acids, g/day 29.3 (0.9) 27.9 (0.4) 0.14c
Polyunsaturated fatty acids, g/day 12.7 (0.7) 12.5 (0.3) 0.76c
   n-3 polyunsaturated fatty acids, g/day 1.2 (0.05) 1.2 (0.02) 0.60c
   n-6 polyunsaturated fatty acids, g/day 11.3 (0.6) 11.4 (0.3) 0.92c
   n-6/n-3 ratio 9.6 (0.5) 9.7 (0.2) 0.82c
  1. Data are presented as mean (standard deviation) unless otherwise stated. aP value for comparisons between two groups using independent samples t test, bchi-square test, or cone-way analysis of covariance after adjusting for energy intake. BMLs, bone marrow lesions.